{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x5288559d589b5bffb8cf6d80a514f2df224694d2b45c954031f01232ff8a2d92",
    "signature": "0x84e974983668e7d3dba0ac8685f5ae0f0967df03e61aa12fe267f1af31a03c370bb5d6283381f57fadda906a43ab58f18e6714975b7c939d37a318af8c37d19a1c",
    "signer": "0x0822d2024611824C3FFF1731Ea29200ed6e64463",
    "userId": "389046270"
  }
}