{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19006",
    "entityType": "User",
    "nonce": "0x48701d535297173e0d1add4cef2092a9a7ba39452525bc206dd54a0e453405f1",
    "signature": "0xac2c1deb6ca85f3f4c368d2eb914578bd2ea50c09103d30563e1185440fb03e263d7568d8bafe102db5485988d9d7e9f3f62b478045b144a922fbcf2f3b7bba81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}