{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xbb30dc2087af9f69b4a52b5727147ab76be63bb106ebea7830ed4f9bc83c8cba",
    "signature": "0x46540694ffc40328ed70803ff3a6ad368d0d0e041aa59162084f1b9fc25283755b8b0d9a954bd2ca163cddbed3c0c1136cfa4e6eaf290a1f8b54495cc4cc3d941c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}