{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159467",
    "entityType": "User",
    "nonce": "0x3986903a41ae186c07db130bacf277a8eb1b0a306b84380758b4a008f295160d",
    "signature": "0x0917cfb20d08d971a39c71cef01da236b009983843feb14f8c94d182eecbaf99099c0dcc8a46a8f7f5ae9454a4dc82d27c750392a3bff01edf89566712fecbea1c",
    "signer": "0x672e9a41a6b972AB2eD6BEB1D4a6e4F09dA4C9F5",
    "userId": "302680854"
  }
}