{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238779",
    "entityType": "User",
    "nonce": "0xee0db079f12890e6bd5a6e5c4fcae970eb4b2ac104fc835192746f861f2b6723",
    "signature": "0x253da14ac639539eb0317d03ebbf17fe2e519bb7ac09039579ca10c1f76795dd665747715876366a4db4ad138b34ebe92cabc447e3016b6936bbcc122abadbcf1c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}