{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78217",
    "entityType": "User",
    "nonce": "0x8200f1629175198a83d9bf289bd50131916420d128f5d97ce2e52e3509c22518",
    "signature": "0x0d56133ff44e0e5620ad9241d5aeff05c3c32f65df33f1936532833a131dfec07d81a9e88177fa784a45e8df4feb62803143dfe82b6facbdf90c6f232c0c5cb41c",
    "signer": "0xd9e78908f0BeE3B3Ba494c4830051e688d199d3d",
    "userId": "379263871"
  }
}