{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xf4980ff507f13dcf4abee24c08647c9e5acad7bdf30f3da0f87fa45c87737939",
    "signature": "0x0751d06324d6231ef094112ec546ded09bcfa090c8b06c5f662214af22d4b9d50391dd5cd01581a671bb4457a0e45a344b9496338816db91594eb53a9828dd541b",
    "signer": "0x6A72813Fa8AA17b1147243997B76e8191475e74a",
    "userId": "958967279"
  }
}