{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396106",
    "entityType": "User",
    "nonce": "0xa948dfb32d16c68b775da8f7661eda88447c11af7c6ddd4f8a0037f63a1e2d84",
    "signature": "0xc8e4ec720a5e09d555e431780e7c5949063e73c1e8d215895b4c7dff67c2c8356f4d3537ace5507cdcd02c3d07ce2c8adf95f14956b7bd6f5de3cd856b71cd651c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}