{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0xdb6649cbf83e7a7c5fc6bb91b16cde37ab30cb29f3479a4d7537840954641a5e",
    "signature": "0x46cfa85ef21acff21434f0f2be3a9b53578f5dfdcb6cd1091ab7773bd3aa85c70205c7291241014568457bec085c305890ffcf5483df5676159cf1adba6f92161c",
    "signer": "0x3765700151BA1793CFdF9F4ef4c8fECA3Ea076DA",
    "userId": "957835565"
  }
}