{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1326067",
    "entityType": "User",
    "nonce": "0x680e01ff817d4d328c438f9afe65f152d9b521f66a7ede8466fa82445dc8e3e7",
    "signature": "0xa0a5973a88543f4cac853fad07e806d0a63d6f56ddcd40b8b516f7beee726c343bd618b72be2fa74c6c6fc076338948e965ead617d18256da08ee114c57bdce51c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}