{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84501",
    "entityType": "User",
    "nonce": "0x2bcaf718ef57f53ac72f2700f8e46279679bc6312f202093c006ba85d43445e2",
    "signature": "0x3dc099e069007db322501171ae519afc568e611e969768b08688563a8b9f8dd856d6e17d74250f2e994bcbb35884f0dd2ee6f6df53662540c2884ddbbc9bfd5c1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}