{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322644",
    "entityType": "User",
    "nonce": "0x69adbfefd69e412159cae0fd5155d593771fe22a538616bc068caae167cd12f0",
    "signature": "0x927c0abc24e06b785edbcd3a9e7c52746f0ebe1dd79c2671ee742195f47ba38f70a93d74264f3a2ceb4e65be0799ce7528576a5dfd701241941898ff273a23da1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}