{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230518",
    "entityType": "User",
    "nonce": "0xd1d87a211ceb014f11c3d4b217f0de2df61355dec08c81bf228db88dfc893149",
    "signature": "0xa305b053c3cc129efd15864a43b7866bc04b003f2c4cc67adc57fa7de779bf144dd9dba0b2fe2fdcaad51e4e3425daab6037727e77d3da15f46d359ad84830a61c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}