{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "874277249",
    "entityType": "User",
    "nonce": "0x33b7a1d001f1f32ac6871c9b36794e61542c8f87677c89fc7bff744b2baed2ee",
    "signature": "0x2b1d78a55861db3f828e10c356369a94ecfd52e5158a2281778f21335f615d1126e02be1a141d4b24f2d2ddc197117ee5b4fb6deed346598057bfcc61c5218241c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}