{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x49ffcc05a5af4f422c47b20928370869cd3e2d79acd2f5959841b44751a25f75",
    "signature": "0x941971285ec3afa89ea13585a41f60e7923871a40c49e6ac982c06471befaf852b94dc2e55eb19dc3248891eaf632f21db016664c6eb70edcb3728f1b7e7d9f31c",
    "signer": "0x12fad93DE1Cd70721D562298f2cF5A522082d22D",
    "userId": "41465"
  }
}