{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80803",
    "entityType": "User",
    "nonce": "0x2ed31e99f640fc0ad4a85ea564c5507bbc7403b861914df634ba3bfeb13375cc",
    "signature": "0x0b226017e72f0ca77ed38347860406d83fa0083fcf1983b8cf86b5011e171e8b254789d50e04bbf3931344c064cd9f66845c0eb347e09e7d352be32b2aa9c4db1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}