{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "565267717",
    "entityType": "User",
    "nonce": "0x1d6326a5b6b0382a5a46f5bf4434e055226347bdf08c5db134ff5fc1f385cac6",
    "signature": "0xcf77358edb18e7f068261222b6983f6a5d3f5b9facca77c95be7b6c6cf45985b6c129ac05f9fc2d18bca9a92a9b7acd40aa6bfb1aba7a9db626ca5dad883e31b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}