{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xbb40692ee973b3d19ec24fc7f077c2ad8f119b127dfddfdc23a5dd9c6a5302c1",
    "signature": "0xd01c304d725649866ccf12ac5e0d624bfe55e36690fc54322b0072c27460459f7aae2ccc0a67fe2b87131a534e8b940a9c77a93ca4e04484e3ce7563891fe2851b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}