{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42617",
    "entityType": "User",
    "nonce": "0xa92878ea11cecc7ce9263983ded4abe13eb3564493b82a53c0e086faf1f44814",
    "signature": "0x3a07b091cf5d30b863df517468c69628dabea99805fae444292ec9f8d11279007380c35441f07c11ab827556f6ca6e5a7af75a16949b133945d2186fb3a00da21c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}