{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146277",
    "entityType": "User",
    "nonce": "0x6a5baec9320c7b17d7c26bb20d88f431e3c4318995d3d0ca16b63aad1e3b2ce1",
    "signature": "0x018aecc4449d34a0c9c1f39eb35397887291b6e9fa561acc51068b3aa5b5b4157dd5c155e95045a44cfacfdd0c44b08dea78d0d7cb1af76857bfedec552ef8f91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}