{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980219632",
    "entityType": "User",
    "nonce": "0xc27a8cb7e57e4611cc6408480650ad99f7299bd7c111d8403497a6646691f213",
    "signature": "0xe88ae6b7d1f7a30a32f94595e8b454da561e19245b0e4a0f5df3035ca83b773b0392f4cf5b81b805077679084378aa907390ac357e58e0246cbf7a2be6f20d3c1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}