{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359696",
    "entityType": "User",
    "nonce": "0x938462bdb2c208b7219ad733fa26b1e9a9dacaf8bce58b5bb4a45610da354149",
    "signature": "0x91eae55f30eb4ed636db80e7bbee42440d31126a9b7e0fd64736b2e080862fbf62d27b5359e7493ee3da32717227fc1b0e9c9158d84939a2cb7edd062f9a12ff1b",
    "signer": "0x7604Fc1Df216CC6E330cCbC9802aFa3E13F8EBE9",
    "userId": "830022953"
  }
}