{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314012",
    "entityType": "User",
    "nonce": "0x526ecebe97be027cf3886d65aa6f6693e4a16945de06322dd7298a67443bb92c",
    "signature": "0x064cf117d39ee825bd1cead67fcd2d93a707a0205b69f8e28b1ad30dd74d0d17225948dc92129e0e758c76cd6546ed5d9e8da0f21ed5853bd49e2c85bf5a9c621c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}