{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x81b48bc1014a5ef80bc674181e0078f1609d57cab31f474d2fa6c84d8e91bd59",
    "signature": "0x4bc116d14bb5a5431129261a6a36ce6f15362632e56496b89ed1feb5be31ca7e26d0c6af07065b8aacff382ef4e2549fc1f1eed466c7f00fc979a6b39d6982121c",
    "signer": "0xaB90b80e01A874dbd9B356083A2a389999dB06F8",
    "userId": "883066600"
  }
}