{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993286486",
    "entityType": "User",
    "nonce": "0x580a465a4343af2ab58364503be3e3483fe1e7cbab83bb13398b90d07074432c",
    "signature": "0x12d4a56dc968969ed01a45259a79f177eb62e2ff13f98699aa6fe6a5ac27a6d877c3b57d3243fa04da59e65349d7688b0c5f702cfcbfdeeb314283165ad6a0511c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}