{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77214",
    "entityType": "User",
    "nonce": "0x5a93889d0224aa2cf57cd71b2ad389e7e7fa72375f52e41ea177d5ba5d6278e4",
    "signature": "0x85c96391e59d4d4ac839e71a85233e37f2087402da1923d40779baa8b3c90d7053066fac657ac61a7499d04635b366076d8725dd6993505cbddff190953fa1941c",
    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}