{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72597",
    "entityType": "User",
    "nonce": "0x9292cd1ced7f4c6c50855029f07423d048874f42f051f94e984774b3b68b7d8a",
    "signature": "0x0bd4a95d74acb3f92747cdb2a15e0ac7356be7591e4d0c8bc361692f17a04ca364352a9fcc64102c3b494129a9b393b37a8dffd01adebdc16c3f35c3938bf2891c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}