{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86221",
    "entityType": "User",
    "nonce": "0xae9175c6a7d3101eb7a03fda8b156a92ac66684f7db3e72d738ec66b4999df1c",
    "signature": "0xece3e8fd232bfe3c2a10a5428544a64501e8a745f22c7c54d32ef12b1a60496e01a966dfc1b74c27c4cb74d5c267ada5834c74441b03035ad35b42fd3c9598751c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}