{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150795",
    "entityType": "User",
    "nonce": "0xa1c1db58541164e9eb9dcf50da5f54120fdddc1d3a08a260baa7a4ffb6cee829",
    "signature": "0x70e90e7c4f2e11cbee26833608f03ab319079dbc852412045f7d9a0f71a7b7756271b0e2eb6f7c93e68195e41201ea4b1d2568546efbd3c4e9871336a47ed18b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}