{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0x95590f3dfb43d6836d0ff2e965f2dad0d7954e6ae7f13201fd710cf4bf5afa3c",
    "signature": "0xbfd7bfd92636482bd1847204faff082c1fb0c54fa92352e5967624e6a8fbb55754631096b31f51a2b43bf3b6052c591211ec648daa02d6e7bce0e239e4a1f8711b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}