{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61801",
    "entityType": "User",
    "nonce": "0xfcacc00dcf6ded823650ec4b9ed7060909ec8fd312480317cddbd41166b3e4ea",
    "signature": "0xaeed5e498e94a2b9ec6ae5f2d9c95ac441ab4e3093fd8e1878b626e01d6b609326cc17b709cf8249ac7f11015c80c5f622b4f25e72c235df9284d8e245e999781b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}