{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4084",
    "entityType": "User",
    "nonce": "0xb472ea2ba5df3f10bd7a1ef0aa11211586d9cc243ef354039b46f4a886133b57",
    "signature": "0x5374e16154a96b7f1562971caaa733fcaa2f47891f1281cae7e882c9fe0bf59a1844abe4faf5ba4eed47eb6e4d75a2d59844b5b9557764329bfc3d2ed80f70941c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}