{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "627522830",
    "entityType": "User",
    "nonce": "0xa77c22d41a2395ea7d406f64529614b4fae1d2a466fd68d2eab1d62cb6058ec8",
    "signature": "0xf91d6ed8e6c3a49a34bfb7e4ae24d649b9ae2a7b30af75ec70750929030c31d657315af9f04d63071ea2cc3fff37ecd3da73eb6c948e695ac28648f48356e0451c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}