{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x454b528baac2586b7f5294182f77d7027f58b12c646fe8f86e3c8443e41117a2",
    "signature": "0x8d1f6594b3b9252f891ec4eeef01f35b2f700103b3151bc636ab1d854f6842673d918372de15d4b6e88445b0bb818d50e044fb507b3b0cf226e42825b8d4407e1c",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}