{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56960",
    "entityType": "User",
    "nonce": "0x5439e7c4e79bc16a0d8f559f17886d3902885de00238c2f9b94e30b67981e2f7",
    "signature": "0x4bb30f1f9b0d4b239793cd768e529fe5f791f4650db490e74fef49c7aab9e83d1d8a22d1fc0853c668172d5c2df9e81fc27a0ee0ecd9f4377ee93f73214c8afe1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}