{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191524",
    "entityType": "User",
    "nonce": "0x5b53b30b2df564d662f5e793d0bd4acef82105ae49c182f9d5eb284fd5ba2129",
    "signature": "0x4278cb420b9bb151dba7238b97c35f561272395f3156005db2d587deb43badf06b059c2979e377380de2a21830584a3328c371b1c70a12d838ff62cb6582151a1c",
    "signer": "0x560CF638EEa19774538D453cC9eC0745a7C66556",
    "userId": "242603075"
  }
}