{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354439",
    "entityType": "User",
    "nonce": "0x267e9b689e4f76ab5ba827f3522959bc6d9372f99e9c8be6fe5d0f2571d702d6",
    "signature": "0x5146e71d97a0e631afabbf0d4d869fdd8aa08ffeac3a8946d3f6b366ce3a48287dc7c97ad4756de5103684346d88060f6b08eb802313247a7be2d7d0c38f5b201c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}