{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x1644631e038ff65da10a29666ceb7e4760a8ce5af470ca04e3d3df69025ec967",
    "signature": "0x3837bb0a7875c118df2cf4f379253b56ce3b3a9400ef389ae5ad8c1aebd8da8f20c4badbf139cb5e6a2f571f9d202c46cb8c74e4fb760161c52599c7fdf9bff71c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}