{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188206",
    "entityType": "User",
    "nonce": "0x131c5f4626925f37e7721890b1816bd4780a9275b6ccb564bbeb73b019d24506",
    "signature": "0xb7c2f1ce1bdd9d39cd8339394ee4458d64af416855aac34fea1bf7e2b62a2c406876b6da87b85ae6bb227ee02c81778dea33c4723a36c6781326beadd4e0b10e1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}