{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156211",
    "entityType": "User",
    "nonce": "0x1fcff4a94525aae2b9111dab88cab7aa3fc08466a6720c13223b8e11fb07f109",
    "signature": "0xbf70e271907ea2b206aa1d674a0821608ec2db1ac1723ea265c5f5a043b0c68a4e1be64873053a3fce87b34dd6d347b752c1c1eece870cd9ec474041ab99d1ca1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}