{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1418214",
    "entityType": "User",
    "nonce": "0xda5679cceb06be092351ad5d299643ec519beae2d456ec31dc2a816414b260a4",
    "signature": "0xec44598a55f2a40f5943695fbb3f3549a8d180fd378eb1869b73290ef5527d9e335c2e5312f7f97da414c18d074c7920cc0eba4f5117740cba09025f4379f30d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}