{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "912339",
    "entityType": "User",
    "nonce": "0x996f98773973a99220833f87d6d88f81444da7a267685eb69a57d2f3165960a8",
    "signature": "0xd0b7ee42acc823b568c79b6cbb6b0844bc0278ff3ee4f22942a903d0f37fa2e46eab5456ea00501a6116eafdbf01bc3dd96827271e8c843619620297b2c0a18f1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}