{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2051365",
    "entityType": "User",
    "nonce": "0x5917db7a8d5b6d4c1f155dfe6f1c4fc23303853cfe03e4a97f4e4ec6255b9129",
    "signature": "0x5e93c3b12da8c8d190498afcb7c2e94e5a029a5752aeb476c6488488aa4176536aa9b09330d28536e7508fbaf4022a0508b3724306650f649f72184432f8807c1c",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}