{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44512",
    "entityType": "User",
    "nonce": "0x8e5d7522a84aa91f532b4b84ec111b6ab3ff41a17c3d69d578137b87ff1e1eea",
    "signature": "0xc31e3861cf47d1285c7ce729f15e9ceff81b90c6342f6de54befbd7bca4772cc0b9fd61c35221e7c6fc79af137b5be015cb8c70bb251f4fbc1450c0742af064f1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}