{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "801898123",
    "entityType": "User",
    "nonce": "0x572608191a153fcd7cfa326c5c59087cd8bdf49b2a04887f0b54ad30eab929e3",
    "signature": "0x33021a41caee32f5a210b35174e7dc0b982f68f380787a040cf2cf78a336e78a708405a9198ffbdafffb711408a20e195c9282ed65d2a56f4fc2ff5ce12536941b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}