{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308690758",
    "entityType": "User",
    "nonce": "0xb4730ced8659686d132722a2227df40742f1e73002e34b40315f6723911b76d8",
    "signature": "0x8ba434f218738ead648b9a8fee5c17004ba53cd374c21912aa490fdc2444fb6925ea0ab2c17114a36fa51d1280553daca69422f60e6b4445e0c50255accd88e31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}