{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29292",
    "entityType": "User",
    "nonce": "0x34413e5063514d9d3b6dc0cc2f3d41c61444763c2d48489feaadba18176079be",
    "signature": "0xff59d84aa11eb48ca43a4c981c4e4a250c35f1f62e5620a33b8d17699f3b6e9a0ca347e07ef52198281a79781fa7bfb2125c1ae46c16b48c273b0bee5d462c0c1c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}