{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228911",
    "entityType": "User",
    "nonce": "0x6010a06fc69c7ec9d74641d52820a5e23ed454ef4797d9e4747faf2e6eb8f690",
    "signature": "0xa03d101e40c04dd8c98676fce90907ec2c712bb4834361f99d0d63c70df774a066e643ba18ea09928a4b43b17e91c3cd9ba7a91e268d40600d12c4505882a6f81b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}