{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "415050011",
    "entityType": "User",
    "nonce": "0xcd5d2d85618c395179df4bf8dd9a4cf22bb6d4b26e4fb069ab2a3cf3e1cf2f67",
    "signature": "0x3f9adba67a9e2a928b9fc2c5f2cff9d93da6b8cdc4536722b69b5bf6874b86cc67a8584e816735b9a46bd43244272187937ce7efce57df8640d8c674d7bcb6701c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}