{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0x0702847af323354b8509af9e724ce75a2240935de8b2abc45ad54faffb84a59e",
    "signature": "0x8711350e2c9420fbcde75997aac7f9eea13f3b88c3ab9214f53448a03846da4e46634a9bb9a171c0a5c81368aacd3f25794365f3416d3233f3e2e7a9a7ccaae81b",
    "signer": "0x5B83E7748cF8e414B76B16e39d629AA8deDB4616",
    "userId": "604013128"
  }
}