{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "989073793",
    "entityType": "User",
    "nonce": "0xca6a1e2b9b129089d61ee6553026de9b6227a4182a7ff46f5ec2d47b0c468f34",
    "signature": "0xbe4b3a8a8ceb578ba66757978106d265d8f9531e50041bc6e1c4a080e1a89d215a1e3fcb9c659983286e794cc66a93318fad06ca0894f7cda52c14c0b62c3b1d1b",
    "signer": "0xe64d995c4f4919f3F47574BD9Bc28505f0CD7689",
    "userId": "253160273"
  }
}