{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0xb424d2aa168b8ea0ab8532c5fbd6cef8c56445c9de6e896bb084fc7e374ebcc0",
    "signature": "0xb9691c13ba40245be98ca0936b8fcd1892c8a8e2316a166d527150e9850853ef10dec5e13768e763209ac725087598dac657ba644e6681915fb7613041881c2f1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}