{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0xd256965e6b3fab3c2eddae7d8a3c15153b5a7ef15d64bc23c220d15e9522fc63",
    "signature": "0xef5754617766de1edde0ae932df6bf446399300a902deb917ee26443a253153a15d3d2ae8f75e0348d9cb3ae6af9228a9cf76790e361079c2be9254c883d374a1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}