{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "378559189",
    "entityType": "User",
    "nonce": "0xf510206edf6b4c4169c8dbf1f76e0f38473469e547bb64d70b1ae6740a9076a2",
    "signature": "0x225deb3d4629d6ed4d0940bc4ad4e6b67d353a9cc995424b861a7c809275f1b563df748f8d7336a96849041f5ca263b93286838faca6f491d44f636f05b86ca51b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}