{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x2b61b0d3ea0ebca5e9c7c5201329b381e4ab5cb7040412177dae4d1fe685c7e0",
    "signature": "0xc16461693beb7b38d7713f1bbfbe2339359db858ca210725127aeb934c7c974f1449346b82a0dae3d2f261d6c2b197cef64a9bab030a6662044e37b99202468b1c",
    "signer": "0x91c65041da5a7afC1376dEeA5E1F8c9Bb5B0c0F2",
    "userId": "92589390"
  }
}