{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8270",
    "entityType": "User",
    "nonce": "0x14f269cf461bf35922f9518d682935ffccaccb2a375f4b1ed72258103216ffed",
    "signature": "0x29bc9d2fa63852ab7aaca8df9ff4f916ab4e66ce487e41d25b0c6068fe7acdc2032eada7c5eec08cd3a37af892b430cacc58b82368201fe3ba704b66c9fc8b791b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}