{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4238a903f5fa438714caca76979bde549e9e39178bce642363d9cef604960496",
    "signature": "0x0c470f3671418a1a3bf42b8d9b00cc484a69d3e1af58fff97fc0f3413829a9581182eba25c561dbc4642c82b5085447a59e30854680f284193236b1fab7e5db11c",
    "signer": "0x30F06DFdCa35Bb8B2d6ea92Caa28aB89441b5c1e",
    "userId": "812448115"
  }
}