{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54133",
    "entityType": "User",
    "nonce": "0x8abeffc262e7c0d284e53036ed0182441216c93c04ee8856f25be3c6f1e13715",
    "signature": "0x4b873b3f9d238400648911219cc9e96376c7cae145fd57440ce1381b3ed2974644b74802f6ae5ffc70020b62c1d57b5eeda3fa4d12425fedd5ca928090423a2a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}