{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486382568",
    "entityType": "User",
    "nonce": "0x21a872088e8ea18fe48a283962df80b444cc8f632e6b590119f8c6f4674c7e38",
    "signature": "0xfeb24d7172ed2c47c8c6fadd508591473366bebce9117799f5d583bd1c8e2bf55c4d5acd4f03f3de846c87dab0ecd39460217eb3f4fe39c9b067d3acaf208fb11b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}