{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x2550a0737f853ed8fc3b601a04e68fd46e80a7339411052928d8cb5ce1aaea1d",
    "signature": "0x4e560bc25e9b0bdc8acbaf55b2febec29b2594120cb8018f78b6359cc3f221386777202f8800b147dbe035a875fbf2d7be0ab7a84000d3fb7ec23c7a77b2058e1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}