{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0xccedac8c890fff34af412399743529e9225d6b2593e66d6ad0875c1f0f8fa997",
    "signature": "0xef6491d24af79ad2ebaf2ceeccab9e2b5dad6dc2bdfdb8fa9e5d425cfc387d7776dde8615f70849a52f75d3b884b8cde91d3c6a01d916d3e594accba0558b2c51c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}