{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56560",
    "entityType": "User",
    "nonce": "0x899de50c20e40c9cfc98f6d18fae6e3d8a8c247240e756a11773e0793332fa4c",
    "signature": "0xaf9a9b94dbb0734ae7a5f3ef8755c40466e5bdc1867895d7dcfff4eed08af7cb6b0c31ab9f83d14acaa371b5d69ec9dcf1e74dd4b282e294c60730c0cba7c2241b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}