{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317191113",
    "entityType": "User",
    "nonce": "0x64f17c5b69ccab792f2bb4b0c2501294afac285fac3c4e148ec5adb3a098cc5b",
    "signature": "0x1bbd7fe9aae0b211ea05744d9002495499755ded35264eb5bbc29e344e3465254490703c178dbaeed2fca5abd1582016af30813e61c57c3effa82bbfddda2b071b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}