{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167249",
    "entityType": "User",
    "nonce": "0x667fb2dcf574f0a182cfd383b140e1002b76e5584bbb9948c57b127dc7965d13",
    "signature": "0x07db5475771944d80f5d5a5fcc79e392bc9458846f1ac784b48c6c2a609e2976712237080c16917b71e71a532d2f534be974c426c7f0c445ff487076c0f4ea281b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}