{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787102835",
    "entityType": "User",
    "nonce": "0x5a3adb59d858764e28f0b5d0745457982cfe3c727a757ba1e49266f2ed4f7896",
    "signature": "0xfbd1f51969cd4b3599e2fccfbdba4d592b79b7fef753d8bd22913e334cd7c75a0e181b18b94f2698ee3fa8bf4c0940e8536aa580484cf44285d5cd6c5da2955f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}