{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923551697",
    "entityType": "User",
    "nonce": "0x83addbcc138dc3c88ed30391062d3850a7c8c48a1e649119985fae0056f75475",
    "signature": "0x9eb555f896db601026dbe6072cabe5d3dd6c75d2f585783f42e69d996ba8c8a31a0e01fa9c82f55c78d7e7da4fe1531f35fa751c984fa9ac9f7a7afab2d171961c",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}