{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xff3dab8962916ad19b638c901bd01996ce3a4ae38f6aff49d7ac777fdd84d00f",
    "signature": "0xeb8d7c1bab87187a7d2261b567996de978b3206265bf5c218562cabd299635752087efa3e37e80371edf2cb71e0e2c150ae5aafce6dd742c602b35becbea70a51c",
    "signer": "0x815583947a7E1A62F9c2721a9aB961bB67Ef5c99",
    "userId": "361770236"
  }
}