{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568518925",
    "entityType": "User",
    "nonce": "0x10da41ba6356ef7145982c238e25e961e64b863782e5844b5601b120cb161a8d",
    "signature": "0xdb36c0c36e97626976151e35d48981adae129f23b80643e74296cf4a6b8c7d495549155ec7b4b51a6656bbd46df1314b139c87634a226f0215a36da5db7755741b",
    "signer": "0xFacA45731f376Ad08B3020679B8e608Cb8731E3C",
    "userId": "234994159"
  }
}