{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x4e3906c0395ed14b3a020f9488386e13e04aaedc92b164f0b48623cbf7b7fa96",
    "signature": "0x537dddc9c0f97af407d403b0edcb2c8fda83c4a48310568e1b695e7b9fc2e57d268405a5faaf90fbe07cf0b738b8ce58046863ba10817e300cc251dc439012b11b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}