{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148770",
    "entityType": "User",
    "nonce": "0x4132b700f1d65b1f3d9ef7bf91d696156d1e9aedff192e97c926d5dbb509ca9c",
    "signature": "0xa092d3fc4b6e436c05d8065351294afd23dec10e4aedba68ee2298414d1668694936350a866a7fd1b9cde4f3840291ae97619a178b5f7432c50094f8ec2d8c311c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}