{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60790",
    "entityType": "User",
    "nonce": "0xd6a1f2e2b2c68722592d4569fe0bc7d51f2d189a4c7e5d1992d66d2810efa8d9",
    "signature": "0x4b6f8e6f13bbe08ed2ed2067c4783e1180b980393420f503d9c7b6f87bff341e3f49fa4945fa446eaf3c021436bad308d53fb7f01ec3e7e4e73f5336a9fa3ff21c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}