{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1418885",
    "entityType": "User",
    "nonce": "0xdc779c966f2f036fc98cc96428e0409c418d44d10a70e48d272b7ce346175ab2",
    "signature": "0x22e24f7d86a7ec01ccf65e702d47aa251e599c03566fc7b064cf02faee3c170626b7b916f0771d7ff49553811b2fca3fc4feee6a5b1ec92200a219c384918af31c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}