{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1105510",
    "entityType": "User",
    "nonce": "0x80351b812c4eee7e0a212e524e0d4ba57500f56bf3325a265479f9da5a63a279",
    "signature": "0xa0513666ee8d563a118f53fff40b102ac1239471d3577fe66e8d9aef8585a21f6ed8c3a80e83e6b1c35c4938de4d82135619c868caf654e6c94748bb81b03ce51b",
    "signer": "0xF480C1ab373abcF3BdBba60b13A4055Fd1e0d37c",
    "userId": "710890391"
  }
}