{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8ae7f3b059e8eb178eba1a3abb54f8c8ab95f578c8a5edfcba54e0f7c7b2a96b",
    "signature": "0x55d93e703f64771f6442dae20ad2cfd39434a87e79ab0109f256814fed3277166d94d68cd33b71ab6777a2dc19e1b8fade5b9a8fbf543081108e65622009dae11b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}