{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0xaae483eff8b9a65fddc95f3965bce0946c602e836b2155260477dee77e626acf",
    "signature": "0x23cbf8e3e9e4b12f87351a7b2ed0f9e466fb8384ebfc037e12aef1a3876fa65f77f2539690d4691c2d20449ea587ffa4de33ed331d21ccd9eb30c4bfbfb9c9ee1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}