{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0xc8fb33b67ef940c01a7c9a275f1c4baad8ccb32477be150268e4b3fcc8d1e096",
    "signature": "0x6ab8776923fc48674540bcd7c5c366410cb99db62efc90d4e8606d304e342cbb4d0dea836d4799a6332eb80bef2b5241467d0903360b9c120cc26b14bcab075d1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}