{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13154",
    "entityType": "User",
    "nonce": "0xb78f41073986fbe9671fc5991e4392eaa62a2682dd027ed73599833e8a5412b7",
    "signature": "0x836574e75e45b782f00e36b30fc9603a418a5c84ada557a6899d0415030cec08327f4e264fa0066dd9fe81636c75ccdf67f68dbe8a1d2fec71f6f7832341b6021b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}