{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74582",
    "entityType": "User",
    "nonce": "0x7158565b15a87080193354dfd5937a86c5b4bd8aa1eebcac01eb1ec1a395aa34",
    "signature": "0x44598602775e1c28ebea315fef05c1c2be1c678fe614c317c32b9ecc5b13a32a4545093e9e5b553a54f314af3419363c4b5b4e340f56e7173d71d00bf92cc1c31b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}