{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142436",
    "entityType": "User",
    "nonce": "0x137143209892232f3d9b61cf26336aca316f9d89bdf813af9c802e3cdbfef255",
    "signature": "0x2b98aa0b609da52eaaa2ee460a5b2b8f5bc98388870596146dbf4006f84e19081782bc890fad892e67945fee8b1e4f5b04dcc0a8bb580099407bedb412c9e2cf1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}