{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164496369",
    "entityType": "User",
    "nonce": "0x49f03be33f993de54a77da4b2c4dd33462b8c5203da1fa92d8928a239f9624ce",
    "signature": "0xfebe7c3ccc0136bc78a87f64996b9af5bf950afee529826fd9aa662d0733fe6b54c37d6619c7ccf57107134266e66759745abdcecf8868d686d1b96bd5cde4ae1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}