{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "618242981",
    "entityType": "User",
    "nonce": "0x27f86afb37a3f588a587f151404eea7397dab5ac44378b16ee8657db9d665cd0",
    "signature": "0xafb480793eb2b75b81130ac6b45f0375fdb6b30fcc1c0d866592e4e6b029facd6197217d964fd79a8b9ac798eff6fab00e7547174949a94f1d2a3756ffd9ef551c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}