{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4a5e42c2c6b3214032304a48477f414e2355034f1c33fb59a7b77952563bd5e3",
    "signature": "0x491f5bbd1931ba52c37e5f17671e089db73bb51d594a1dc426de9e494ca35db52a7492ef9ddae05c868cf12d3a661481e90974620e9b7361797a43871297b6461b",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}