{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1313377",
    "entityType": "User",
    "nonce": "0x240c903d1a4ce2f7886c1e26e9c03edb3279f4ba2739431766f1fb39161bb820",
    "signature": "0xc7645d8faa8c33ae902db65ef5ef7e505a2cd1b777950c47274c686cafd3853a4c25bd47acd5e5f794a6db4bd66a3f2fdb1806ad8c0ec77ca298644adc11df691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}