{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101429",
    "entityType": "User",
    "nonce": "0x2a93e93d9167bd474bf00945cf6e836645cc0a65973a4f6e1173f7dabbad22c1",
    "signature": "0x6626bfc8017e4c74ec72a59e6fba34080a56b1320c06617a9e2c1962032cf4ac6430119216f8ca7ec8101f2d11c5cc7854237b5caa38c0c53fbd99b77e1df1721c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}