{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0xfc2e5ea483ea61af0fa2c383f30c450fdaf0ac34baddb4272aef14d40b2ac106",
    "signature": "0xd3cf6626af8d10fc46c1191008e4f942a30899eaede158d0dea2dd9da3b33e622c1b32f3bec9803a724fca325588a34408782c8e962728c89e918ae8e38b23cf1b",
    "signer": "0x8A2ea8fceB2B2926E0d751271C1f6154854E3dcB",
    "userId": "627409218"
  }
}