{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2001065",
    "entityType": "User",
    "nonce": "0x376fa6ea5dba39adefd417e54b943b8aa7d804fca5bd787be287d2d17c0b80a3",
    "signature": "0xc2a1b0bbf9674e6b130c3d5c8cd38846a91f164bf1ae235751d4dcddf0e41d4b36515c4eb61a3c6106660fadad0bd4d730c70a4981ed4d3e1a47a9d4746852a01b",
    "signer": "0x41E0D919F5E5E950b3646cc2545AB0d2c70af998",
    "userId": "962472503"
  }
}