{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xede20d9d8c395a7e70166309fa92da8731917cd3dab95d3cfcba060fa179ab5c",
    "signature": "0x4a68e1497c4c8f34a864f6c4ab9bea244c7841f9a9ffcf46e53bdcbb487872ea7f0e682121b0454af4dc4e1194620906294707bfb695468d72a628b6fa0d5c571b",
    "signer": "0x883478B95Aa87862FF6a29B2D930A00e467bd597",
    "userId": "147064459"
  }
}