{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396350",
    "entityType": "User",
    "nonce": "0x7ce968bdcc85f9f2bdaad1ba2a26e9c6e875ef5c76ad046f0e8f3bbfc6baafbe",
    "signature": "0xbc50f05ea4778c7631e65869cab0181bcf13469ff91dee3c917fc7e6236628176cbe04165df0d2d2c6ea6ef83077f42e8f5d4d2c1be5aca7a0161a81771ff3101b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}