{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144585121",
    "entityType": "User",
    "nonce": "0x3ddf974608523c83dc982472f6b92342b504464a58875787bedecc74e39c6a3c",
    "signature": "0x4b1754f454da129bc3c36f9d1c8008d83160bc52e06b82678ec4b6678548c35c6a753e1a281d78639e1a4188cab9a323847e4d3e2bc8ecdf918301c60b7e46661b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}