{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xb8ea7231203fe11784d41f43afdaf07540eae6ebae836b15ce285c0aa1d6b787",
    "signature": "0xdc59131485a7d63d9c75a75967483bbcebf7c12a773978b07df42857455dd72859154b55dfabf50aa72fe54a1f841f3246e2859c6e5d5354d1a44d504863766a1c",
    "signer": "0xA7e5b3c6d06C38A408547F8fd01d4745C2E728Ae",
    "userId": "601241019"
  }
}