{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74652",
    "entityType": "User",
    "nonce": "0x7502f7648a993caf089204ae7d0a71b7092b56e16c62fefcff565156634b00d5",
    "signature": "0x74e8dea2c56966a9172902452b48ed8307bf5e368429ae01159dce8cfcc57315672566f4be2d94af08f60f055b20f9485a55b1c52f58e13ee495a3d2c1a4a9c11c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}