{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980441",
    "entityType": "User",
    "nonce": "0x8800b511c9a6db62877d1aba9a3b2f7a11888549aec016134938bcc3f0a0e10c",
    "signature": "0xed6319634cb0dbd7e1d89f16e3e0647d9b17be803695a5aed0a7c8586315aef01aa1b08aed069b54e9b4bcc6b8c1392e0320711a9524baa4e282e52820c183a31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}