{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8224",
    "entityType": "User",
    "nonce": "0x581d641072996d0bf36cb79d6584ebf9b174f24296ccfe6858d6e9f3f61d0e39",
    "signature": "0x0931e7b2c6dbc25d105d432e0b6b8dc9d93ac6ec75dd110f304b60a0ed791b4b494c5a39391d46b22e25911126324aa5208d60f2f2d82d231bcf53d85e25a1631b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}