{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0x5a91424499580bc6f6c8ca546da84d9ecc5e0fe6821428de279262a17b99e3ed",
    "signature": "0x102d1cd4d718fb8e7181e2f5f812a7ab1f2bd1ce79d9e20cae989dc5d1ccfb313cbb7637e9cee4c4316886e15d494edb53d249269f6a242783ed6dd67819b7e01c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}