{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1481230",
    "entityType": "User",
    "nonce": "0xa09887a274c0de0e70915444ce77a8b251c931631fb5e08ea44dbadcf5e3fcdb",
    "signature": "0x3efd517d96c1fe42627ba5c888539f7602ae8292cead2f179f45a4f0260c62ca523fe312bbdf48448ca6297621155df0390f0297b497030714702bff10ab597c1c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}