{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xacc8715f82620f48c573fbf59b4644cd4a948fdab347d9cafe7b0353d9059195",
    "signature": "0x756da8daad0ef6ef4879a5099fd169ab4e318c9d89c676ef61bab9dba14e70663e18a95092caf213782842aaea9e6638bd3a98a57c42fd593335a140130aefb81b",
    "signer": "0xAb218b04b3523B79F517525deD1511917DbC4a18",
    "userId": "776158029"
  }
}