{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfc256646254e889471a39f4dfa4aa57bc1fdd3da7d79a212f4106bbd525dbc0",
    "signature": "0x51a3d4346109017a1ed6cd45d676262f2f2e56f6273f0a63e687416b7938c3fd400af9e75beddf7e3026a931b6f02d9061f481b25bf5165977345caee5d975751c",
    "signer": "0xCe5ab1FCF04eABDe1FdA91F3870C68a51B00849D",
    "userId": "596321308"
  }
}