{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6eb81c310d91dbb81851e08f06640f2ae3287706ef274063e27aa6d33132ae4a",
    "signature": "0x83e866c00697b81f16fccd27600148e2f86e7024b5a56a6777931df9038c7b5a34233810ac1227f3f7cdb8bcba8d98eb64276744dccedc668bab1fc10eadd9871b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}