{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x63cc44ef31351175f7996970309780c9116a48fd060a0144655297f99ffca7c5",
    "signature": "0x9985ed0f20cb685997eafa0c5dbbbb3d047dc961f29697baf6bc380283f791bc46b6d64dbb54be3f6c76cda5b425966c0401a1ed05876a7b98e7b033fc56dfae1c",
    "signer": "0x28Bbb53f14b48eE811b10fD56903fc4D922C6902",
    "userId": "625201833"
  }
}