{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "245537",
    "entityType": "User",
    "nonce": "0x01d87158644ebcc34ded96031b4c2146cbe1a4fae1d1f54899f2ee9a02093ce8",
    "signature": "0x2c5b52dc2fabdbc76787a0515d9c7753d2575b2d0bcd414402f3983404390e095a5ae5ae737a6f0df119723014f12c655b96000a3479a9f111567761e253d8e61b",
    "signer": "0x08aFB45AD1AE236b2ef4E8ee6bdA583c216CFD57",
    "userId": "138422795"
  }
}