{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0xd301cbf1d3efc328a5d721f39bc166d285e1b1cd81798d205cf5e3a5847af7a2",
    "signature": "0xa8ac53df38854d514990fd1032bf2727c43c18a6070ea0d568cc5499081ea9dc7e6a994bf335ebab1fc21141d8cbfca88be981659cd7466238c7dea0d443468d1b",
    "signer": "0x0b901AE3Eb7b439095858D82Ff194CfeD0Fd3396",
    "userId": "167557"
  }
}