{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037774",
    "entityType": "User",
    "nonce": "0x8857f717d08e413112e08e382673985e8d0d0c9745d8845bdf759df1dbab5122",
    "signature": "0xedcb23e6e751ebfa086ce35c2fcc903b82ec11ce82a6da86ae0f262c3b6a9da74c0ad734768f26155ecc7e7c032ef6db8285c0ed8969ad53c2cee1ac26270d501b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}