{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xab6c3c61adaaf32e107ea9d71923fe2ef7362ae599bbf91e0f2929904e04f0b4",
    "signature": "0x6be6777347f922657c3d00d5c91bcb486cbca25fb7490988cc25fa5acfd434b1495a3eefa4d06efd5e15ead7e5838be4fe2a1583b18e1391a703c50f5250d9971b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}