{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x8cb2ec6478c4357c4b03f7a9bb65a0222ad60ae174c2c83723315dcb8fb91872",
    "signature": "0x2fe3f5c84647d38ddc1d3bcf59ba0aebaffaf96368e87fba57e268840962659726af2e75b754fd7316bee4c23f3d00baac531271ffb7a5927289625427d4b7ea1c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}