{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3f78051e09707ef54761e61990b2f14a4cd25f76a06b8c7bb11ff8265bb822eb",
    "signature": "0xa9ccd3f5909cf19c2f9fc68c09a786a1b67eabf6b9477e262b687f751bd4f2e0539cc046f98943963c58d88fe9b4e066d485064f1c163cde2ca93b8e78e81d101c",
    "signer": "0x27F2E26cC9cB487D2b507c7d68d166794c49EC3d",
    "userId": "776160117"
  }
}