{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0x1cb55c0b1f8ef0becd9d3d9f00edf9b96969d32f132c90757066718968f7d8ac",
    "signature": "0x5d5c084a4327442ef8b070a47c377efc8f47f22222bc45adff86fccf23dcf228474abea593180bad83b9e19f934c60d92a56723be8969109b16d2904fc9f1f291b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}