{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1e3f1533ee3e54d264872c23290a766e63a5ac5f8ffcc93a833ff6e0db89c5f5",
    "signature": "0x6a71ae9b7cfb50268c41549dba5200283ba6dc478dfde7a44ad238bde7c0dc337c712f4bd3c3cd6e1ebd323288fb6952f4a0c87fcb3046b74d8734fcfd15e3b61c",
    "signer": "0xaD38b0B80bc2434434dCd8BfFF2255625ece0C89",
    "userId": "800176202"
  }
}