{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "215993",
    "entityType": "User",
    "nonce": "0x0b3189bb44722f20562f5ab1ff19e6d5863420f5166a96af9bb2b07285749cb9",
    "signature": "0x5b996185b8fec7180a4c282077d2cf1c4bb53468d7405035d8dcfa4f9bca158c5dc3253eb8be51ddf0c34ad21be595539a26c33773883730ae485d8615e8fc691c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}