{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x264cd41116b58656c0bd4b14f7f9a7c190777fea7234d5fac2c2c5a553d30550",
    "signature": "0xf65896f9d12c67133c99b9d308957ea19e1a114e9160b8d6d14e5422cefbcd0a0885d1a17b3fcb48346cf9a5c3abf5328c28ddb7d66f4817fb6926f175e940f91c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}