{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234834",
    "entityType": "User",
    "nonce": "0xee0e19b6cfbbe182efd5a90c214a5a6f1a7d88c7d0376c2d372ca26d94d37401",
    "signature": "0xcd60d2151baf6fb6c4fd8ef476fb4e5537e9c17b669fe6894f321a18649b265b22c559e0dfaa99b1dc0872100ce0d01eacf0c1ebf7717ff208975813e9d620011c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}