{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308641",
    "entityType": "User",
    "nonce": "0x14df1ea478c9b095f28b96e6445b906536a18117f95c95dba6bc07ed7263760e",
    "signature": "0x05323122affa9d6d68f8d92bf1a5df17b86eb7a29f96512104ef3b16a4cdb00e44b0fbeef8a77f0d3515a90049962bc4eee8840d1910d55918d960e116cbc6081c",
    "signer": "0xe6B662C735e906D92261dfd265f28e8bC62baE01",
    "userId": "1792326"
  }
}