{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762593015",
    "entityType": "User",
    "nonce": "0xa2bbbd4b3523a372819d61e26245b72a646407bd2bced6d0107a7e215c7097db",
    "signature": "0x5604a8515cfa32747f63bdec0cbb307717e00be0f79e617960b0a77e8106e53f11001431ab9b9f13a2ea3cb66f7996f13ef6fa993c34feaef0186903d4f0bb7e1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}