{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0xdad0cb9a744012c17393a66604d27ccb8eeb6193b9610fb0d3ccc6a0de018f38",
    "signature": "0x6eda3862b13aeeec5829001c6dc183cdd9f179cad3faba11556caee8a4902e3a200dc3a9b2d46c28e232de587a26bf48be177484b0d761160ca4248e5c0b749b1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}