{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76259",
    "entityType": "User",
    "nonce": "0xb52b84051d67d27c751b732263d104b0bebcbb15a7559250480a0338fd18e340",
    "signature": "0x9d35aeb28cc6096bf4537ccb3cb472a43336985c80f641fa191baaa90c6556543b70855bd62677f327354f92a0dae7243f1817d4c76e725ec783bba8f99cda2e1c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}