{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "482964267",
    "entityType": "User",
    "nonce": "0x1f17915cfe9159744ebbcb8d3d6942539f86fb17a437275a52511bb5fb450c42",
    "signature": "0x947469b155365afe4a6c353e66b905a3d1bd2e467b80d4c7fc8ce048f32e41c56623bd499a91ce6df3ca7601db06d3d637f1233705044cad6bcb265ebf6b3f191b",
    "signer": "0x8f03E90b8ce76eB4f79fe81B3323A107997470A7",
    "userId": "76253120"
  }
}