{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "835373",
    "entityType": "User",
    "nonce": "0xf3a25b07b84501b7547ce9bbcb8dafdafb3b627d9c0da6bc27a4a0f1ee0708f8",
    "signature": "0xe8e4383492e29ef15fd435bf2b83a79049019c0eca11143b1f071b0ba9fb4bac7df96cae0d00e3de74a73f69e1eb2702539203a573d9cf8a976006e1fa9d71e01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}