{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49130",
    "entityType": "User",
    "nonce": "0xc4cd2e1361869dc714b38dd511ef527ba6e67d7bb84c885c0e5323bcf6f8bd93",
    "signature": "0x3d68efd3e42623ab1a6b83d52cc65e04022b7596b545fe913a153212587ad87d6367e2cca8988ba9f4fea2a7b788bfe376916f36f35f8438331172f8baf5e0141c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}