{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62731",
    "entityType": "User",
    "nonce": "0x9d314726c51ff50637d386a0067817ef577bd91aefa1deb898ebfeb3d0822312",
    "signature": "0xe43de1c607b504f9a4528cc8b244dd4ceb2589c89c2dc2ae1c1d6e98562d4a1a05693960e7559e222d6a95f670f46184f54b5dd9302a1420e13bc136f3f6e1951c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}