{
  "manageEntity": {
    "action": "Update",
    "entityId": "111579",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazzfqhxvkqcpdee7ogxdzjywjactvfesxd67bqoath7pxtogyx3pa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":32219},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4cddccc84ded794b0e05526361c31631a6e86f4a3382b67ca38c39adc88e2c05",
    "signature": "0xc9d3166ffc02cc740e3f58794012e0373162926b680ba3fc0c52777e08f08ee24281fa893cb47ac3d487313208618e5fee19eac183850dc9b27b98b10888975f1b",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}