{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67912",
    "entityType": "User",
    "nonce": "0x5b4ba6f0f892d452a5d88febc592868c04cbde6148f20490763204b52cbb9b24",
    "signature": "0xc14d39ce88974ba7ab40785e37b172bd038df648459b901d8c4c443f8cda10656652dddb60676119dd6de08290344c017dc06cb7d02dfee72e2a898ce5143ddb1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}