{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318873",
    "entityType": "User",
    "nonce": "0x4f13b5b694e181008bcc73177af2df67bc7475cdea67d4e886cb0012721e8fe9",
    "signature": "0xda8e752841cc53bae15a27d56c5ba798c8fb3f85429c6823dc24f451c986a3082c638aad55ee5702f2e21ff69c269d19d7e7432c7bc4742f8df47b71748aecbb1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}