{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91559",
    "entityType": "User",
    "nonce": "0x5812e5f58b76648f5826dbf4edd20ac501c1e85561387a801e63862f55fffe51",
    "signature": "0x22fb0de16ff7ef1111256e4753aaabe1469d1d6c6c1537c233ab1f4078ed916123194e1a510cd76fe167e0f3ad38874434336969e90eeee9dd26442ce591b5081c",
    "signer": "0x746D0B22b3105e78aB1DF1251162F0D37D22Bb95",
    "userId": "61137"
  }
}