{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943748539",
    "entityType": "User",
    "nonce": "0x478252ea6a9a7a52fcb6d3e528827d0493ed196796c2eee24c0d7c36d2d7ac58",
    "signature": "0x6fafe31093aea5a0bc54b783d332b7804485ecd99c951224cd1368206d12bda139b4cf380ac6b3ef67e59d16ac1fd556da7c1298c64d1ee0cfed292587fcb8971b",
    "signer": "0x176e72dFeDc28F932BeC73B513ff006a4b45dDa2",
    "userId": "93920271"
  }
}