{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7511",
    "entityType": "User",
    "nonce": "0x4f6ce0f4600ae2250be175657fa360ea7c4a495ad738325578eb0dd01c3edbee",
    "signature": "0x5cc99d2a3df989a2268d07f8430282f55e66a1a69c61eb6c6696b90e42fde77034dff9c8627417e1a9a8c075263b0bc89d604bf81606309fca2c5d2c8a79db871c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}