{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72945",
    "entityType": "User",
    "nonce": "0x20958609ca5ec4e91c5606933028bf127eb596b3e798aff9006049357c02163a",
    "signature": "0x06f1ba6b8967bb2d94a498204ce99e2efdeb431cd811429f574d1692914913d8793b441191eb584a1a7370490476d444f257d0938980c89c01569e6af95c7a131c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}