{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11631",
    "entityType": "User",
    "nonce": "0xacd340363a975ef7de1a52b198c8a4caa987a08a730d0be86b33e5979d61888f",
    "signature": "0x1076c29fb358575f4d543c16a8debc630d7bdd10684bed7103b9fadeeae56dc4777b01a530117a3af692fcf6425c741579584fa257c125f29f66cf8cc3bdf90d1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}