{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e3c46e936183789cd46e9c30ecf6184df9cdbf300deac060813209674ca0244",
    "signature": "0x79c76de5b4ffe6ae0d16d58b664e816e9e0f58c770e24c6fa5c543c1e3b86c5955129b44f7aa00827977633ea8a4a38db32577022c8e38aa0b41377082a514e41b",
    "signer": "0xE49A86Cde009BefA2b3fE4b07f0612Da4CA64db7",
    "userId": "556924263"
  }
}