{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x11ee905aec56cd4584c15e6e8b410c73933e4884fb003543b61faee04c8abfcb",
    "signature": "0xe4e4f1d2cadbf05104a9bb1f555bfd77e4a3a0b3530641a61de4856704f5a3da39c239b295c05c59236e60634e5fc0b2cca6a07865a21767120dc22babbe2f051b",
    "signer": "0x623F4Ef45156b3E09BcfDAA0D7AD20726C314919",
    "userId": "372587631"
  }
}