{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39754",
    "entityType": "User",
    "nonce": "0x7b7a5b0fc2ce19769f05c3d0d0025f8ddf5fd8b9892964e1ff1f77ac7ffcca4c",
    "signature": "0x7428b28f9753c82354c98f204926547f52d0071b2d831fd4badcbe8eea72e6c066cb839c8dbd2f489e02365a226e4f6c4bcf844a6f38df3fde71721277370f751c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}