{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65547",
    "entityType": "User",
    "nonce": "0x2021227e7c951773a4208753fd461860ff2287e54ce5cb932f898803df1e8bfc",
    "signature": "0x03c2cce037b1310a2bc36e4a517758ef0fdf4e10e2fe1de6c1cfb5a91e93cf0f6d4d38a5fd155dc8df5c22101f9b4a133f1761393e74f3f18a4e610a2476bbcc1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}