{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1459",
    "entityType": "User",
    "nonce": "0xcca9099d415ab22c6427feb18109add6c7482c4e67a90e5abeeeee0929cd2577",
    "signature": "0x4659a658d4b00cb3e9b4e127f8406523dc45686a9a3fd5766694276b195a28b87c4c6601cf5727187479672eaa983e66d44c16aa8f07a9a4903aa63bc60c03db1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}