{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0xb699c1dad54d5816a0454b8cecb77a1c5f02459a8613b66400b8e31479c4c7b7",
    "signature": "0x094860ba4decd10ea00081a29b05de769d3a98537822248b4c3fa66b9b76d88809c5328ba07a6c268ee810c93ad06b33eb9ebf34a0f504b1034f3ccca602fc2d1c",
    "signer": "0xeaaDaeA3d82533Ad0D1BF4B88fd03EdE01320868",
    "userId": "457719352"
  }
}