{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x20002c2e49aaaceb325fc0cc38854f9c7f290348ea13dafb06d3ff8abe0c1e60",
    "signature": "0x874109aabd6e4af019caaf5cc80fba938985f25890929c437321300c091b65162eef1daad04c3290460346aef03c3a2ea6732b9ceb0013c2d029ccb374713acb1c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}