{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239411",
    "entityType": "User",
    "nonce": "0xdfca5c6f1d55abae4c56f2914c14d62d8e5754e96615c283dccc8edf23fd396c",
    "signature": "0xe1e4ee44ac3578d13611174efb306fa99a58845ffaf95b12397bf22a31aea6c31bd1c8e86b7ca659b91d4acf09381d5c0491eae145fad2c98f00f982dbbc78361b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}