{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33577",
    "entityType": "User",
    "nonce": "0x15b092aa4318af299e547d7300642a89d42af722e91419301da1593348ca701a",
    "signature": "0x045e76fa0480a7aee1a43d69015afcb7244b1ba61be7c97806a2b9686889b3c12bb6897b37d6561676cf0e5b65ede06e87ecd6c014dbcf91ae3e693f9b5628321c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}