{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68369",
    "entityType": "User",
    "nonce": "0xbeb9af035f775b2fc04fe3e7729b0eab43ca7707bce131be3abc5e56b3035a3e",
    "signature": "0x2d77d9902f0ce67bab35b1819e4b71c8d88ed54bf8d29318145a355a6b795f6024bfcf83f7fe995d3934bc56c926b8bfe947d8b05ee6ca6592adf3732cfbedbf1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}