{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138063",
    "entityType": "User",
    "nonce": "0x4fbca35d7cb2d5f649522bde05484b984f0d589c6f2b9224a7916ade305cf64e",
    "signature": "0x2d205fed0e5f57e563c1f695a93dc3b933335bfd258fd1f34bfc753b6376085e31b0e6f38ccea05281604270e778c1b2a6b2218d4f371a429cbbaf93afca90171c",
    "signer": "0xF11F60bFb591E532d6E71E699ddfdfC58f377CA1",
    "userId": "458027684"
  }
}