{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88410",
    "entityType": "User",
    "nonce": "0x1f93f3b724d62fdbb8b240df356f4c961937a67039f8413c09b49e9e5e36675b",
    "signature": "0xeb8effa66fcd2258db76a573479644dd33b6ce2763402c422671384a8dd320db5e5e569ea64e87f67638d0933f421924df3c2415ab75a98171268cfaa723b1941c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}