{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6588",
    "entityType": "User",
    "nonce": "0xfbeb952815263efc6365969485652c1df9fcb030bb786ea8fd6ce1c4ce698a71",
    "signature": "0xf1ec47c81761bc57f29639de6bd65e926a3ef05811c1914f3138827db512113212f5de8cbda74cbf09f3784f861e80e84a3bd855d4e1f75ce7392c72fb8030201c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}