{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x596b5ed717272fc47b63bc38ab5d8b158a34cc5d43f633d48517eda28c1bec0d",
    "signature": "0xc5ca33c7d4407f12ab196a04e709ab4484b32a2f2d4199aa425daf44f1d31c651c696776add45292f8b2daabc9003a8c34bb49cdd330162679260f091a820c0d1c",
    "signer": "0x8dA1fBb8C1638201E5bA074130AAfb0B7602199C",
    "userId": "297045622"
  }
}