{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9bc6afdf7c3a459349e3d1cd7e17702e335c989ab13aefb643c8f942eb3da2f0",
    "signature": "0x796f978877cc12a89b5006929817fda60e36fe1e912348237f0e2b826b84a98251e1368c666b775b356d5fb3f3067085874d0aa272b37fd35165b722881e65791b",
    "signer": "0x925c43F84c8eB1fF20B175479C7AD3438762D441",
    "userId": "561360037"
  }
}