{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299228",
    "entityType": "User",
    "nonce": "0xaa1839056eed2ec13c862c1e726ca6ba2804bc0ed61d6a180ed339ba9086fff4",
    "signature": "0xca64217a6018ee73f22be7294e908651ac18ba44154332e812aef1602d79c78d0c99ee3522335b4cdd2c285e3dee347d0feeca63c1866d5eb720f9469ca63c791c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}