{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0x2074122d47ac2b7967e3159a2300d37f1088838fb61c63fbbe63eb5ee76f0d3c",
    "signature": "0x88617fa7dc90916f5e97ed16d106f376a6f0cc2720e5327f88ff266289b098192ab43b136d1d4acf713eb14b95cd70c66dc1aa7b68992c253ed4267e5ac948901c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}