{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186882",
    "entityType": "User",
    "nonce": "0xaf5e0b55256d6bc8d3edbb8274d0f2723581308fa663df183ca1647e95833af7",
    "signature": "0x6d5ade6642907197173616cc82491f4aafc0e0ad8e4978e5e4e8313e691540ab4db5bfcac4528cb7150f29c61d01ba87e127203e5eb653d56ee149ea1e6dfdf01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}