{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xacb43fa4383f6947d543ab3dcddef35e53b29011245958caad53d0451a1c0589",
    "signature": "0x31a91e4d6bca46f96125e107908a8d1f534a59bd9d419c7c96ae0ff1b435f69148de870499af3e48aa963024292b6993b177b005b9657990275fbfc64fe519fd1c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}