{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xfaf373f37e880a085a6f91aa362434e982e7e3fa761b24a3dc4150331a3f94fa",
    "signature": "0xbfbafe946bafbcfe3897d14244e632cc4ebc696a378f4b47e013aeac944f257f4519bf9ae792b34007304b9666b5359a787e562fff271c6939b89cbaedf028741c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}