{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x87cde42483c2daa0b29d6095bf61754f76c4e3ac5eb43c83e7c06f6059c723aa",
    "signature": "0x49d1d87dc892396d97edbb20b2f34f10bdb5c67aa344728f1df624ca0cc4ccba08a0bf9ada81b2d9e9ce3b57bf279e845ad638ccbc1641034e4b116bae04af4f1c",
    "signer": "0xf15FD63403ea1176eaa213fd9354417c325a643b",
    "userId": "813142179"
  }
}