{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x65a61654c476d65e8c5927c5405ad4a71e8203bc9f18fc2b47262b393132edac",
    "signature": "0xc880ce42ed21672650e90123a54e13158c36ed9d0af12bd6b0140aabd3d5468920baf3c553ec0a14b8ae1cae717f178e5cfce6b1124afd4b4354a33c76d143091b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}