{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "897648338",
    "entityType": "User",
    "nonce": "0xbf88b51507e5ce23152c03ad9a864db97bf74736335bdcbac6e37437aaebed8e",
    "signature": "0x139b17da91d0e18edce9ab530f881587636136a3f360a33a08a33aeaa197584f3b2fae6b27ed990389e9d5c171640d7d2c34a8463ed25ae3359ed5c5158734701b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}