{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf804835af46ad22a40b1fb7cb3c9d6da35cae19015128519e38065e624dd6739",
    "signature": "0xd92720295011dd0b61631ee1f60884f75b36368c05dd34383ab0bc37267c83e238072792a3efd976a1817124cf4b679ff8ddc5b4ba02344ab187954b7520c15c1b",
    "signer": "0x209a0CF4740270A23570cCb3267a65b0d3C37a6D",
    "userId": "188887251"
  }
}