{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7f8e42594632046ab204bc3d4e233492d48062ad1a0d046557e6c46f0328c92e",
    "signature": "0xaee172b946209aa704191ab1ec44a20beba3ed2db8605cab0be6bfb08e44abee23aa1dfe0cc13f551dd5c28e85e908390ec196ea4a1ecc819d3cce5badc2989b1b",
    "signer": "0x9Beb05748ef9A407E988F7D096473702b6c3D677",
    "userId": "971863365"
  }
}