{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951358609",
    "entityType": "User",
    "nonce": "0xba0e65a938d1dcfcf50c8782d2596db8e52a909dc7840d073baf4fe2f7d78927",
    "signature": "0x7ba57b8885dae9156304277e61d79770c1effecfd50e95384322650d73dc638d552c169927845904afa30f4f90f287b0ec3705a365fa9d33ed52f525ab5bf0c51b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}