{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118620",
    "entityType": "User",
    "nonce": "0x9f223a01d4312d25539a0ac1cb018c08199b67b2b94e95c18181937c4f5d717b",
    "signature": "0x1addf2c9a11016c46b50c372692ddcd9b08cb6182b1c0304deac0c9c313af42a3aec79f9283171ee284a491a432bf6c81528aa0e69a92af90e5abc94fc3961c41b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}