{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12268",
    "entityType": "User",
    "nonce": "0xb2baf7aeb8631246d2aaa02543b7ae985b5268cecf00f04ec204a862e489ce1b",
    "signature": "0x4481006773cc97ead4084f469cfea5b59d982881d5421de6dde360b5d5c1298760843b3f90eca42fba72570c48ce6eee0646922d8fa12fcca3bc513e4cbdfb8a1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}