{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332665",
    "entityType": "User",
    "nonce": "0x5e134c3e39216ee0cf04757a8e2ac140377bbc963abdcd555166698ca392c0d7",
    "signature": "0x9733ae81f8111c93fa510842ffde37b3dceb549f4c4290a6b5b42e3cc24889a356f5fa71891d28e860b77d37e95376a2e02259b529f11b90609517169ce433f41c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}