{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5e9ce9bf5b6be003848f67fbdf4fbd699e244e2ea43bd241403456a0afa7e95a",
    "signature": "0x24baf13d83382564d7fcfa6f2cdd1f8b59d2473a3ec6b5f94bc58d787d0053c146f8b0bf1693475624470e7c39bae3c1368788d12d61bdceb9f5eb17b18b423e1b",
    "signer": "0x3358fcad34d13B8E302948fb453Aa3289ca5b727",
    "userId": "759125877"
  }
}