{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x8f90adfedfa45e798923b2e2ec4564733c61b5166ac5fa854c73f58039e26436",
    "signature": "0xb7ff895ab07318c9f538aa2dec990a93aee5cc5dc5d1a998f416e18f78e62d69168a1c1ddfd8a396615aea88476e9514dc57c875cd16a80160d43ad90ea39ed61c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}