{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460503860",
    "entityType": "User",
    "nonce": "0x3598d6124ca07e79dae844a126e224b8dc8ff963505bb04a9c5a8624e7ff2bda",
    "signature": "0x3ac481431b88cf418220885179173732d834baf1f3391746e2357fe59bb0e9ce607cdcff9e0c3c2e78432c1e5059d2c8f4ae6ac5e02134b828adcc2e728b83cf1c",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}