{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833426398",
    "entityType": "User",
    "nonce": "0x05ff1b82381a964ef888b922acb8d355ee7409d6a96d92bf10a100a8f616962f",
    "signature": "0xc63d5efb200f699273f562117d37c7d87e02a09c1050c6619f21d60f12347a051ed8efa8410920cdca5ff6be70f80ab310ddb823d768e3c1452fecfbbe4a1b271c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}