{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x0a67dc760befcbcc42255540ca729a03f7b8b2101b718b69151aa3bcbcdf5512",
    "signature": "0x3301298b2f7cbba26285632a595b8d23bbbfe15815396ca9828bc3e132176e57016380e2fc324381a5c072701ca5a59e1b7d470d1fa449dfcd00e199d2955f171b",
    "signer": "0xe7dEcB818fCe078fcBE1bDD38AfdE42155dd2CF0",
    "userId": "395698740"
  }
}