{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680566462",
    "entityType": "User",
    "nonce": "0x8ea88acb48d5209d954ad52a9f2b08d8558d52557576ab21ee5bbc36a8ee2eeb",
    "signature": "0x1b4a35c4f1ebf885d4c3ee6e10b38c7438edf4b5fb4eaea87aa12ecdfe5d299c6b799c50053d2b51176ee5ed6a57336b32f4944265f9e7ae5da3fd6dcc7dce7b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}