{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa93724c377c3f2c4e74fa1e0582251be552b2753fe80e9f497ca95e62b7cdeb7",
    "signature": "0x788879ae4f0a49fd064acbac65bfdaf247d7d1870fd2836389f5bd2c3ffd30d05abf35f2faa16c21aa2297088834e18a26a78724149b8ce1e3b91f0283b89d1a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}