{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58545",
    "entityType": "User",
    "nonce": "0x233ec0cfd8cf6480a49362494342f540a37f1eaf73b7b492d21871e6d9ac9eec",
    "signature": "0xb4512e2a9a598fcbf4099b088060493c1d0aa24ca26adc091379c0f3cb2b91306a6ab16beed0ecb71eb4abc7c59c30ee0bce2897e2246aad2dd08add239eaad71c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}