{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x6faa1548c09f7e61ca73a8aeed526ae1d2acfe88f7b8ae946852f0bbbe89c26d",
    "signature": "0xe93d1548872a44a3d0177dc6c34567ac1bdd0251cb30d4b1a81259004cea361106e3ae4826e068f5a23d23e7f8072dc4f6d1b7241fa944b8dde9b10d5acf78d21b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}