{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xe9e560be415c5c3391b8ecc6edf99ae973bf269f1de90c67c1449e27cc2a64f4",
    "signature": "0x94d227d9ba0bc13c9f6c137332905c9d4f7992aaf456e421c663e7dc99d884e378b1244fbee4f25e2636b7b3be511e2dd8d817986f2322eb87550781146338921b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}