{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306016911",
    "entityType": "User",
    "nonce": "0xccd24323ddbc6b0db49c772c88d4ffe1b23ab2ccc8a9d2d373fa22602a98244e",
    "signature": "0xe996918918e54b1900be28e542d51403538c56bdfd7403939e9a3c3d5ed029c673257fcc4204ff0868851476650b521765c30617ac86af4a1fa4c1ba7107e0911b",
    "signer": "0xd80624096Af144B7Eba218879A84D12cFf264988",
    "userId": "746744110"
  }
}