{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0x2378502132b2168878ce7f717aae8016243a4fdd6f60e72596112b39b9abd62f",
    "signature": "0x3640cc5dd3a3bc4353bcbbcf3ba9c7f8d7dc60d763f2c8d9c8838a1426d5633e6fb7f9d11f0c2b0e29f6bbfad61ea109f6f1936f01ec95dfc9c41bff51e3270b1c",
    "signer": "0x91A0243d0c4b44cB682cB60883cB72C26a8Eda55",
    "userId": "298293683"
  }
}