{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x978894857208019bdc028675bcfecd79345478cb7e88be2f774d8df01234086f",
    "signature": "0x6df1b38bd8ebe9e0e087f7135271618767aee8911bbfab2a352f381dad61b2c3166a16df80ddce41f1eb8b91c1a665d155834b6fcdaf10c0b60cca82edd73ed31b",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}