{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56078",
    "entityType": "User",
    "nonce": "0xbc4c29659e33d46ae2079fffaf650f37dc46175a37ac7833697c27a2b8dec2e0",
    "signature": "0x9f7cf5bbd46b2fe3896acd3f1daa8c2e56cde77c880515e34fb78a4482a78cab433de267cc803b5c8d63b0a5eb5dac0438aebd3b704cf6e593cd8252621eb5351c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}