{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xc4d8f8941a9f68e66ed3fb3121d3b6b620db9d990c40e919da772393b3cb2ba0",
    "signature": "0xc5c100d85475df736c9d075f73199ff589d4938f50517cce4c50a563c7f6622f0c499b966e2a4d479d4bf369fa74c00f8011fe3ac755c40b8eb1a86e4bc4357f1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}