{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "300586",
    "entityType": "User",
    "nonce": "0x2a4411d9a35051c0f292d27644c644527e6754935b8556c29a6b304c619d035e",
    "signature": "0xbbd3e1266b444da6ab7338fee282668a3f668ee6199fbe8a72ca52ac7dd2ff3d293dcccab851475c4e1a204ce24885c4734bee4bea1f3b04443fabdf38b0128d1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}