{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11001",
    "entityType": "User",
    "nonce": "0x1c68048ba762112a14d4f9ac6d7187843e841ea3c77e73e14b406d607b6a64b5",
    "signature": "0xef52b827bcb1624242d2928105e41ea093855ca8828c42c30da448db94909ec070965ebdac7a1638db422d84d41e318a97c65788a6156f9f4d095ee9ae45b7971c",
    "signer": "0x76433fcfc10E04743aB4EB98660d4B47526AD243",
    "userId": "328228955"
  }
}