{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97343",
    "entityType": "User",
    "nonce": "0x7eb110cc3356648e79b763b6a2c8350d350acfc172c6f3ac9fdce78ed3169711",
    "signature": "0x148a6a252cd9569d19764dfe7e42bae89a00faca9f285707fc01f8cae2bbe4655cb44cf1a18e28f9efc14d408b4e00b8c9acdb6ca5259dd5a0c06e1a222b1b151c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}