{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176437051",
    "entityType": "User",
    "nonce": "0x7fc0359d651123f4dd8456a0b1c944fcdced7e8c70c92a6a05edefa25e9baa7c",
    "signature": "0x070319200a0d9849a802a506e9bc28b7e17deeca9bc67d8a4b3a5fbf90d4696f66688044093a0f9a8d0963687e492e0d42ad60285fa89ae557cdd55b58627c7c1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}