{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0xd54ee3574d836cd234e951851ccaa3765b88d94efc30f7f33fcece964968b07f",
    "signature": "0x272ab7e70a9efe64c2d29f7ae6538005974eab8c033ad48dedd6dacc026296c7203e220163586a26ae960696ae649827d5adf8cb3a2cd329006796811dc14e061b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}