{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x649e3332e2e8a1f7418ac572eb25939c773f45b6cecfac6f057ca1ae7845f1b0",
    "signature": "0x5dadd17772a8667862b92d4c1781638c55efc9af031d6a33c175cd976fd239e25b7388d068df8aae60d3c80374d16d345287a9f2ae623a4d0080bc3b5a61ac741b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}