{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x0fb858fa5f91f8d621fde69e2fc88c16fcaafd4b9bf2f3d4ec154b00c46ae4d5",
    "signature": "0x2b6ccf223d27e4eed22e70916d245b3fa48b63a4f36f413a2ec76e47bd468db80ab7bf5be48cabf2f0f42373b392bbe8774c569e27bb7cb56794ec32323284aa1b",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}