{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "660696906",
    "entityType": "User",
    "nonce": "0xf1283772512a45fe1cc3642c8ebba894c5c51ab6b92c260044158733d9c490fe",
    "signature": "0xbdfaa9ae02e713173f5ca6fb3d7d332d7bbff9e3150f15e65d436989624827643cba13eca1e17b73d40e87e05458e31b85c00a8504a110432ba200f029820ea31b",
    "signer": "0xcF5801beAC04340637889094F04324eB09bf4844",
    "userId": "976132619"
  }
}