{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139066",
    "entityType": "User",
    "nonce": "0xa3cbf7bd4e17ec2a5c4a0c56d3bf989d5b6a52217ef35c80219920df1ec951b1",
    "signature": "0xb60530770a466a17a2483eecc71c77f575ad6e236338f73210c16b1a37d9933a5bc59067ffce2353c99ccd4f9217702d213d18ab1df78888b526c9af4a16c4bf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}