{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137494",
    "entityType": "User",
    "nonce": "0x541abc98ba51e2a50dc19cee5cd4ec0ced28b2c2e8a90d6ef216383791023b53",
    "signature": "0x57147fe1d3152fcfad6332fabdff829b1f4f3eea623c37888ce67456f5a1cdfe1535a5a10b1ac7b2da1cd972c522be9c7569982598d281c59eb0035416cfb1e21b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}