{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91927",
    "entityType": "User",
    "nonce": "0x2cba092d411fa5153b1bf2d22f52e0fec60337562662c21c737d1d6e927ccc7a",
    "signature": "0x6417015ef7de1a7b132aa7fd8beacb47fe47079fd1a6ab8afebd87c388f4dab0139e436d0710ef3a243ed37e05bc8ceb009f7532deedd55ce00090552430ab331c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}