{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xafbf24cb4255859944636f5892f041fe093ca443e03444199595b70e96b45612",
    "signature": "0x3a2753f5240f8e69c06edb3d0eea7875d6a2ea4121d106b7ccd6636d010099c5356df3cd77f6e5bb477439f10b2256631cd7cc211ba74fd26b5c449aec5a6e471c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}