{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56576",
    "entityType": "User",
    "nonce": "0x506296ebda19c09a2a634945565e4f356ec5f7ab4480aa22bc17dda1fbced9ed",
    "signature": "0xbf1b5b0d686bdf8e38983169fc4412077031dfb6a10e200c938c5ab132b6c4013d4ab761fb39f25b3eef406fbd197ce1a26d70ed716df7c4c18e7c1e508aeccb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}