{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x2c5eb7aec561fed079ac9d5d7ec8175c04a8be8c7194761234e6dc5269246e64",
    "signature": "0xfb16d80b40ece84cc82facd364bfbf7af2e6e483c3aa95983cf077e65a04a17b047e8cc2c305b30f72e52c83d4ada122b764934a7daf6e42ccd77549b6f4659d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}