{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1714556",
    "entityType": "User",
    "nonce": "0x9f25dcfb77aa63841c4ebcbb745eef6612097c2f3ca3696b1925c1ba31218149",
    "signature": "0xb2d3053f6a90d02745d55cf97cb6934aac64baea297297a7cdee6c8da8e395676b54c124e2573e714163288cac2c0f3e28287f99705bf34c1cbe1edd46a649391b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}