{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49350903",
    "entityType": "User",
    "nonce": "0x85fd59e3cdbf86b8df980266b86d9b973b719632512badfeab3e95be3b62c037",
    "signature": "0xa82f86f9287d9324b831bc06a029fed5b61550a7898904a684581fa749391d0768712c6b38b77dfa7addd6d800dd9e5154635f756d7770ce40e3fff5bafbf9351b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}