{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0xe3591ace759a7606252787a14fcd6e4551c804800eaa029d0567dd82a30d6bff",
    "signature": "0x9baeb5c4663b978d12d3ce740a2f5463d842a0df3a17adc71d82d76b932864ea16fc15cc98ab4bc3390a1be44ddfe649338143928baf099b53d9f26f8f7f942e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}