{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x9962dc2030bc4693aca54e137a144ada1cb761e7be2ef003173114ac88d1325e",
    "signature": "0x40d610347c4a801a1f0327952069415d0f7294ab1211e9e71ceaab0214f235703360b3a2e359f2c77715445f19f92ce81915eb6597d4c308e18bc76f42a963301c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}