{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103594248",
    "entityType": "User",
    "nonce": "0x635cedbeb7f6c6a0be85944e7920f9cacb8b8016ab541f40eb3611990dcc0db5",
    "signature": "0xe2fbf58c4fb9078ced8130a7f94d3e081a5541c44c34480da2f142391b8fbc8b5dc16a3aef6fb34bb9cb121ab0b9e83616ac04b50768db030fc1b9d0653fa6dc1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}