{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384526",
    "entityType": "User",
    "nonce": "0x7b0efd684f8a47890ccf5ef11f4f54a8ad925d7381a74c18f6f267412e78fdcb",
    "signature": "0x6dcf65569aac85d199acc6e14e15b6b1dc7a0b6c20a0c61891e2d99449f451605c508125121028c4d2671b62a030b9c4315dcc8d1ed95e3070897a8bc2063a641c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}