{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "558721253",
    "entityType": "User",
    "nonce": "0xd7125ec03fe2633921204c94857297f6d663c3dfdc67fede1826ed763d27b880",
    "signature": "0x489cafffc50284b3bb065be8cbce6e90bfe5630092de6d8d42c126ca1a463f02226ed9bda5e998ae2cea9b4ba0533f6f5777372f28d150e3b06c9ac5817e556e1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}