{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146164104",
    "entityType": "User",
    "nonce": "0xfe7362d09f6dc607d97d16f9f2911458755b73036b084b5d08d72667bfa8e1b4",
    "signature": "0x88021343dc3417a4a02c60d9b9aecd27f952705c3f4468480f4d5dcf8d136b716f1e8637ea5e5cf18bd2e59bced3f1895376c58fc4a022bc529e8cee98bfdd441b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}