{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323239",
    "entityType": "User",
    "nonce": "0xec2b3af1e2ca33d10bc45be671e6ac780ae3fdb9f3e57e58a166aa80b04bf9b4",
    "signature": "0x19d294c07d6bc5f1e068e24be925bf252c7c45716b24709db7fcee77c53a0c294d1647cf922bf5c24f0ac331ed38c2e2a1fc5847645bae826d75bf8ef98ac5731b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}