{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xdf9721a6f4c9746b78186474820cdcb4d6bd454829d02a05695173364b478538",
    "signature": "0x3ce0e147a1ddd1a862a866d28aa17b1b06166b30ef7e0d85760b3ea840e9456022d2d4590d2e4db09a66a62710b487ba3ce19c9606f97e06dc7ab5596344db5d1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}