{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166187",
    "entityType": "User",
    "nonce": "0x62eaa6355abe5fd4b5b7e7af7be679c2521a4970335a0f924f290676a9fdfd89",
    "signature": "0x6b678feb8c523386b34a7805c19052288890a3b187283fbe65ee6bd9c4b3634c6902286d26a163bacf7092f07829d58bc4c7b3fd83357dd67e374ab2e48cb5181b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}