{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41458",
    "entityType": "User",
    "nonce": "0xa1c4f338a9b99ed60d4723a14ced6f712335ab753941c0a5862676b20a883750",
    "signature": "0x4d17c73414f079f470d950e478b9c103396a1abf63cdfe91e46b79233734d2dc13db5c7c693cab3d4cb5e07293366f18ea1c93dfd38b2db807d44489724f28e01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}