{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2788bff8f1de94ab84a3cfa409db22c7f4d48a80dc1049502c1eb82c7e444ed6",
    "signature": "0x9c6b0cfaeae36015cba55a069588fbdd79ce37aec805303f404c6c1664f279a323c1a46082dbc73e55060f053b584b2463691261b0a4b583b9a057e7fe5869211c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}