{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "627952347",
    "entityType": "User",
    "nonce": "0x6bf365cbce997006f9a1c5101b475030ee5f0e37edb43875f298cd47d78bc60c",
    "signature": "0x7845bbe87c0223fbf2e3ec57435d7188d1aaeb847dafefa9e2a6108ab0d0808b7c07c05a893ddf802dc9417628c307c4e7d8d0ede441977ec9c8fa25509389471c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}