{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x1cd02b9f616908ac69c7c95fafd65886f9078c567e5de1d2a020d3f027e47d3e",
    "signature": "0xbeeb9a94d88e8e752d4b894fe84ddef2cdd741bd33675928194b029dcff83ed97fc2f020519b72541156a308d135fb6ca8c0b2334f6f3b36316cb187ca087b671c",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}