{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72190",
    "entityType": "User",
    "nonce": "0xaaf37a12c1508ab01643c70b71a6143d9ff295a042115c18b76c0b399a41cc43",
    "signature": "0x384b467e5549c41a361d4f8dd4a3d57a99ddbfb6445b7640990607f2892d74c7418bc527db2032fc247818044305ea5d3682f1ceb63afa509e5048d4b382c4151c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}