{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18218",
    "entityType": "User",
    "nonce": "0x0723e1f5645b3671b38c99b4d429b65ef2bcb491405a7d76fbbe1d8fb35f30ec",
    "signature": "0xb97012eae9b46fe6b9806e3c6fe00527f95b67cdc1443e0a02f2d71bfd1bf2763a7052daa801a09ce6a43164bd4ac0a52dd780d47c7769359308678392511c8a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}