{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x080e7e5a24b438b03fd8cd54e1700cdb966aef8227cd24d9747dae56da2131a2",
    "signature": "0xc0830c1a0c4926b843d84035e90b81a3d5587d22a129a7440843608a4966027637dad340fc96e33200c7eedd28511b0d2804b4dd314a6d23275afc64bd4506801b",
    "signer": "0xCB5BD2d995C82e5D1e27A1Bed99d2Fbed09A8aA3",
    "userId": "983215353"
  }
}