{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0x02a3525c1aabb9a3dad6c7c2fc340550000587cc8fb65ddcde243948f6617cbb",
    "signature": "0xec11fbc93528bdb52fd33e918ac7a9840014e9cbd646a5d1ae48e5ee1a7835411abadf3aa9bcf7fc801f6bc9ab22338c4ffe7b883aba06497c5cf168c3ce35d71c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}