{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134994",
    "entityType": "User",
    "nonce": "0x392158857aefb1caecd9dbf191c4bdd462d25d0e1453271bf3e98b569649398e",
    "signature": "0x184f8412ebf53543724662c436eaffb183127b7ff7d4745d3773ca0298a0635d77d71e78e6825b00b6771eec3c1dfa71342360c49e6f1b16e845da090f1d739b1c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}