{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11772",
    "entityType": "User",
    "nonce": "0x22861c4fbd62273752c63e462693eb92899d87ab483723ceaa223655266748c7",
    "signature": "0x2a642e9cdac6509521986c3dbdc11e913ea4415ce3c88d3e75822c7068e3b1200e24c894ab8e65f2e1b8f6995e2c8601c723ca837c9c72757df75991a573ef321c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}