{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29239",
    "entityType": "User",
    "nonce": "0x3081f991deb17a19b9a460dc5c470b1954d55a3f6c5e0f2c238a3cc1b053d402",
    "signature": "0x2dfd2b56fb4be99d06bf5ace59c8a999f9a7014153f72877be1fbdbf29c9fd44317b875753847fb34ac4892e727b55d08b89ccf7e74ac59d66c7e5e04cebc79e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}