{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "579726392",
    "entityType": "User",
    "nonce": "0xbae9af500b4e2d61a3b1139974fc19ee5a491eff263743fa8bdc46f77440bac3",
    "signature": "0xff09486f41552dcd607ee89c8b40fa7475bb39c39e8059b388d5d16997dbb3fe1184afbd422d5d91b47f8673817395bc5acf072a1d5499573ccc84b85fd6b0801b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}