{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37962",
    "entityType": "User",
    "nonce": "0xf2d1012b5e1477c79acce4210996b197c1461a5dc78b2856f73dfe8e4d9b39ab",
    "signature": "0xf8a302375465c5d7b062b937e232c20f1307dd08dc1266c46e43940d11387a8e03b2a037c55e5b512c3bb9bc70af243961c3c081c63ae7ea20f824c269291cf61b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}