{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1232953",
    "entityType": "User",
    "nonce": "0xbf2523daf6358c2628488d1ffa9ed879b1a0e45c60557bb0587e327c12c94857",
    "signature": "0xa05ac61d6d442e365d2bd9c2bcd01ffc48f6891bae647fe29d6afff92344de142c03eaac07308a80e329f7846808604c93de3ea9f52275c88c5a5f35d578e8441b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}