{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x4b0da623e3b312ec93d994534208b93d39d235d7c6b30238b643a30b1d50b0d0",
    "signature": "0x805a93d3e0ef64a0c91a2e82954fb2bf9629ed28874fd3540f986fe469c2a9b84059cdf51465c45675dfd9b9394c1ea708ea2acf1ba30f96730e18627e351bae1b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}