{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60337",
    "entityType": "User",
    "nonce": "0x005b2e3d9f98d25ea8af925a715f8658d04f3f92ee23ee8a41e3e929382b05b1",
    "signature": "0xb8fdc903f4563a2a092b264bd8f8808008c8e0115244450f1ea77ad6ca027a5272338da4459cb69b44b0507b10c71708c26ac87e8c0b7242d3cb2a3452e957901c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}