{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x27a1b016b1bcb7dabb52887843b2df427c88d4afca48b944cd4c9e2e24059282",
    "signature": "0xfbca1e9f405ac46f076f49d0c86b55b4ab1c9c545c2575d16ef5b105288563586d55b29f0a20371f7215eca803eec3ec845b5974bd7b80741eaf5b943d46a1791c",
    "signer": "0x6f828868368AA98fd60Bc2c5C32f791eedF56e98",
    "userId": "283783333"
  }
}