{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x25f06d5b57c9fddd95d6c4b6597ec4971660fbad9f5350e643420c510430bb07",
    "signature": "0x283b6fd8b900ce638cfeb3cd79dfb17f5b322b0b59f03f25b2fe49a4eb37ef622127a03ad7e2a9c5b805c71e6bc5f129f53ca197eb43e5917775c39d23df00751b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}