{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422585130",
    "entityType": "User",
    "nonce": "0xf6b0d63106139044c7bebe70dab36532f5189e200460aaf3bd3b264ed9577f13",
    "signature": "0x250cadc2aad0a5a5a7e916dd38550f0bf3094aa5c55f18ddc33f66c1e342b20279866508ad495cb9c6d8250d7562f8d89dba3bc7d067ebc2491020bfbb7628161c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}