{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383",
    "entityType": "User",
    "nonce": "0xb65b4991a6636b72f7c38c7b1d1c0d58ef6ac43fbe97c9fadf2e6ab70fd3708b",
    "signature": "0xc94e4690d6564253b83180bf92f782ab668145a0ca9b5d81a371b993d19ef1f427bb1a7da9e035818015711e2c544f9ca6004e00190cd6574793ec41c93cdfbf1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}