{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471974",
    "entityType": "User",
    "nonce": "0x9009914fd342fba315203da3177f360ac62cfc82635bdd89b57975e89dfd3f3a",
    "signature": "0x151b1b4c43ad423dcb47df03a6fa15efc5ed421f76504458813833e36c9671eb5a4c55b7f0f6a275588d60c8fb903879ec2747901e817b214862fb44a4e5424a1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}