{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146736",
    "entityType": "User",
    "nonce": "0xf9ae1dfea516c9cb70f454a20cbb5b3272165e31a52572244800bcb2fa968a05",
    "signature": "0xe2f7b9536c44d71df3cd3f9bfc4b1a6bc442ea77ddfec6b73e2122f524e9634f2925b72bc60b64590fdebe7cd4d63c0575dc7137976fab0202457a6b796e7dea1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}