{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x4f9f4a71fc5f408e40d40fe2d27e5301c8a566cf8349103c9fb088c5f9e94c25",
    "signature": "0x758f745b101895d5564ce5cd8ec6e377b501b15238c8ffe6ef7d70c31ccf0b22574dbb68f922a4b1df77d7346191cc268361976a5cb3911b665d1f8f3e0f3d041c",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "100"
  }
}