{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35813",
    "entityType": "User",
    "nonce": "0xbbcae21d38262cb2ce7dd49b7de4a956cacc68c8d73c79ed2f7cdaae8863b617",
    "signature": "0x87a092dc0a2c9fc8f05416b307b2c667ab09ea6dcec8535f9549a98b862e2df75ad6fe376730c58db1021575a09c661dfea72d49d30ff4cd9f748f24abade58c1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}