{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156347",
    "entityType": "User",
    "nonce": "0xa146d47e23b971ff9014287dd2da72f9400e2f9848ac8d3741a0316e2689c4aa",
    "signature": "0xbfafca70f37785cf0ff4304df23a80cfa47130c45d09268995082c6a4b4175a3334abfab8d3920b867b0f26c173ff5e43b200a770cc857d07887b319dc452b121b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}