{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121184",
    "entityType": "User",
    "nonce": "0x9d93ce75f5e7f9f06e92d2a579f6655b58fd849e5d61c2730928b0cf95cd15b3",
    "signature": "0x249ff64ffd980bab36943c278161c9847d34e95f73843675ee5f7856dc540e186fd28b615aba161d4144dc8985b89c129705c16001786fe148bf715f80f5fd9b1c",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}