{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141514",
    "entityType": "User",
    "nonce": "0x1d121eca32523e99d851b28808106d626bffeb652a009fd458a6b415071db8b3",
    "signature": "0x80b7a03e7ba3e1f7e5d1c7ae6af3929b74b149c7fd47c9e3d054ad5375e4b3671f6f39b1e79fbb7616d6af25e2dbc95a2905f068e11fb0da667b9b361044bc071b",
    "signer": "0x800dF7e18763D55aEFe4f7FE2DbfF25ce082d662",
    "userId": "104356898"
  }
}