{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139945469",
    "entityType": "User",
    "nonce": "0xfbaad743c7f1e0995756a90860a0223d71a7ae7707b6cc3df66249b04314f70a",
    "signature": "0x7806ee17d81298ba6bc028f9403c84dac6d9fa56058e7ac111228674407d64365809abefda9b444dd1ba9da01fd5f95b1a5941eda18dc6e793d471f9b71e002e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}