{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55369",
    "entityType": "User",
    "nonce": "0x5b2f693db70775a7fdde3893fb3340028c08a92cab55b28f79078d1a428b7281",
    "signature": "0x56977af95b5ee87697fa58588e6ed96fd5e5581cdd7d18295a83b7fb311498945f3fc8b10583fd426df7c28d9bf4e69dc72f0e050bd67f166aaee6bb5e88a02c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}