{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893863695",
    "entityType": "User",
    "nonce": "0x42f20946e15668f4c06eec3222b91a10fc89cc03f0ada81c4364a4ed6bffab10",
    "signature": "0xdefd3e358744763458b9d93239cbf18bad53c0d86db460fdcbb70073f72edcba692e021b7fee32ec204289a7d009d4cc7eaef2a7029e75c2fb1f6f2cabe749cd1b",
    "signer": "0x11DF686Db3Be1Af0d13c5243B31f5a1A34969a9D",
    "userId": "503460339"
  }
}