{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527659523",
    "entityType": "User",
    "nonce": "0x1e07f3784ffde9c307eca486ad552c0776381d3aa6efb03b0d885bead036226b",
    "signature": "0x5efce1fc6618d0c7efe5f059a69ce29bd006666a1fbd2a79593da6e6fbd79e9945887858ae16ed5abbd1db8f731b0fc2996cc2f943cb72f2118981fb1b150a751b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}