{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x49a8319da8970c9c8a10f26752374660001417f67160ccc94a070a63e407ce6d",
    "signature": "0xdea6ecfce2b76c0d4aac19ff1f90d7f8e23dadcf30d052669e4206074daba2f11c8b9200b62b5c6ba8384e79e24c5df6310c07fa1780f0f7523418899ab265071c",
    "signer": "0x96d9410A7bB22E269fd5a7372D2f840c750bE9E4",
    "userId": "662254471"
  }
}