{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x19ea5393b12cac96b31f8698c501896823eb75697c78b5cff941e935fe70d684",
    "signature": "0x8406510e727987e0df83d3c7ba781e7f0a08a7dcf2bce4424a98637c57952b9c750f93a0a91c655aad6e65da801b97c6d3904e850729766c7ff5c8949ff4a80b1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}