{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1831424",
    "entityType": "User",
    "nonce": "0x6af8b3f95dc11a17ae72c0b24e6e1739cdd2ca667f46f696749760f19406f321",
    "signature": "0x2ca47481ee52f4a83b01e3b0e81e18798c064ad40b0506e16125a406ba8d90bd216f30c0024e8db761a112ec4691ac2d704b03adc71250bc48e7737b8dc5d3ac1c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}