{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x36bc216b64d7ae2fa048512d13e10a16da54f709108187a2e9c7e9075393b5e1",
    "signature": "0x3662be76e0622d3252c318bab88a10d9e970d0eb01fc327027ec8384df549d910ad8d8a451c499f9e3e1987bb96c5cca15e11a8d18fbbcaad50bed93fdcd1f571b",
    "signer": "0x62201a2146079A014aD2E748e4Eb6180eE90C4C1",
    "userId": "760481887"
  }
}