{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602782067",
    "entityType": "User",
    "nonce": "0x25e2bfefc5418dfa03220047ef5d9e92d0f9ee3c1ff3fd415297770ab21a2023",
    "signature": "0xb10822f47eddbbec6c13dfae814b2323d92898770f89eb933ec7d4928eec00eb3eb4bcc24f19ab1ef59749098aff0c5f05408ed5d2f74aa6540e384faa51d6f41b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}