{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x049a5dc58f44ff29ac13c59268ddbaffffcf415bbe3bb95a72609f8d99adf69e",
    "signature": "0xb2b02947faccb9bf2beecbb178fe9b27e97ee416f6d68b52a38d9403974f90202f9b1b80b87f5c1fd0a2db58f3f10c80eb9d47460332be4133be7294f476f7b01c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}