{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73929",
    "entityType": "User",
    "nonce": "0xb4f4cbef7cff65b8ec2d415fd1101b4550794ee34a1d2db748b4ed5507a18133",
    "signature": "0x2e5d079ce3bd8db3f5fa7f938669d0604d6a662f7e97078a81b4eaa2a4fe554d2f24a5e65d57ac7352d2d0a455f4eeaa3f392b3684948b0d992dfd2a90ecbe801b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}