{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "445042807",
    "entityType": "User",
    "nonce": "0xf39f34f52456f96515d99b61d8dbf7354b7e3f499c11ca2823fd259171d36f67",
    "signature": "0xcc7549c4cd4fa295f708ac05286fc66180461a7efbeadcab651516f4f3fb5ac009066c3b7c83ce110ef76edd5e6d8dd4c5c354825e62af2e5753e767cdac765a1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}