{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595322493",
    "entityType": "User",
    "nonce": "0x8e20ed0a46fe3a8bb3351cac7ea288747b349befd12c3e1329d12032ed5104ea",
    "signature": "0xbdb586c94e01f77ab48976e484bfa9d067c14486700f9b2d4459d34ee76c4fd25d19102523b0349505ba85eca45ecd0a84fcfb6b02ff3d4b6ab0a8663723aaa81b",
    "signer": "0x1aA9cc552a00C91582594402085D7d3442Ea9DD9",
    "userId": "41889862"
  }
}