{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713516342",
    "entityType": "User",
    "nonce": "0x9e8d835bc0d7c48b503b802b652bc593bb3ab981faf12ae3f0420a9e901f1825",
    "signature": "0x79c5af42f84560e28dd4c4e4361165e99339ed427a8dfac36a954e32a32248dd16ba2a1eec175bf44b8a63ba173401dedee35b61d3766fcafaeec8c06332a27a1c",
    "signer": "0xCB8CbC0e86Dd0406bb2fcaC997D9DE140eAEE1B6",
    "userId": "47224049"
  }
}