{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xabf26b99484a10320b500289963a912d5f9b425b00e96434d637a6f20c5338c2",
    "signature": "0xd172e1ac30b3e4c1ac77d3ad7d10c361673158e3f244c19af5d0763da1c287ec327111fef3af422f7a99c474071c077c9c1a5fe86a32623bb9eaa581cd32d38c1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}