{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa640537765f39ae5bcbff38f3c9dc669f4b9e11ff7327e8f511d89c00dd4d9ce",
    "signature": "0x05cc589cc610f86e7c0c6524d90fc465e8ae3128a6fe8d304ee36eba39e8325b13670623a500ebf0abf078372e4100a10a6847579c4ef878f57249fee54e61531b",
    "signer": "0x62cbA5F175355E49E341d2C7DE4C7765ca38daD6",
    "userId": "617260588"
  }
}