{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x97e78613f7e4d64fb3395419fc4e247b1674b5ab6230fdbfdd194b0d5d577163",
    "signature": "0xe8dfe9ce61719e8c0c0d09e6737d3929616faeae7b9e27f9126889926bf19dfa205bd747369367a847780cffa5eb7551d82117958989e66141adf1e61f9f99251c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}