{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xc6dc8a2bcb5f3bcdd048e924ca4c3bb2308ce2953e57e407a063ff039bb7cdec",
    "signature": "0x06b0b9e3a91eaf25342f041786ff4f35f4c4434b77873022062818ae8e89293b052a32c1d7f62b67092b750b3ee8e6e3157d622e76c9695d12c60afbbaddb7e31c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}