{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184977",
    "entityType": "User",
    "nonce": "0x8a015bc9dae9697f4e05c3707bcdf4d25538b7c5c8587d86134917baa8361f19",
    "signature": "0xd5638a8dea6f6aa8556e24c132f94a22e4a18a0249e7f3527d287bafb6b2c4965eb7ee081445415b74d62d826056cef7b4b355e9a3603cf2420e9e0c506710d71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}