{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838655769",
    "entityType": "User",
    "nonce": "0x0683a92261df27629e50c809d48574e35cb3887d8d270ed2ff0147cbf992b772",
    "signature": "0xea179fbab42c72b09ce062d6c0360bf3b4a8401c0be912ae3e1869a4ddc95aaf09eb2123cdc837970daf86c931c190e32b385e853c5036c6e1d736f06fd2c2d71b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}