{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31486",
    "entityType": "User",
    "nonce": "0x9e0a1dfd71248433d87f1aeccff8a96504b35a4c30dee53b95f778f823163a12",
    "signature": "0x3d787f9c53b85d36251467292fba14712270a2287946f9805305a1a62282a7a05262d76c4a566f4d4f8b2f9f1e4f6ccd76b7e3e2da5bcd829da212d424eaa98d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}