{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914397884",
    "entityType": "User",
    "nonce": "0xce2a424f6a8521b2e81ef39131242a57f441bac7033d559ae6259cb8f2b0acf2",
    "signature": "0x0f392fbe9e930906e0bcdef89fc6b67217781ec30d76597d5ff0a2f7c28587c1248c15127afe9c8011be2fa7bb5dd2ae0e53bb0bdaf6a87631bfc71c8d0390201b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}