{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89637",
    "entityType": "User",
    "nonce": "0xd14e180e95f9c4bf73f0430a013664b9daf4017f9ceea2f7d25c72c90d1303ed",
    "signature": "0x197094c44219f60ea1ae2417f1d0009e8627bc22115f0303b3cc3507f01d666212d51de8b9220c499d7318cc679bc00493c3669dae2940f59acb00fafe9ff78a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}