{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68117",
    "entityType": "User",
    "nonce": "0x46f81e2189e01f5b2470d08901f9f45f32362a87b56cc5928a50e9dfafaf9784",
    "signature": "0x63f63a4510ee5775c4dd45ff0e1f94ce80303b78ac617a1e51e688e5f5e4d23f727a8b4c112d24eaf5cbc363293b4dfcc610e51ae7134a9f1338ab3a399a49e51c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}