{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "594112954",
    "entityType": "User",
    "nonce": "0x75b5db55591d953276b52933b3cc3193f78efb29a2d2280a6664a38143a6b8db",
    "signature": "0x7ccf93d109c9ae350f9e4efd896b11a8a1603146aa454a52b3e3f27ecdb1e75930da106e749b4e200e82f7cf7611b4645a3091188604bca2dbfb9fb510db53c91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}