{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xf6eb1bd9525aa29bdbb9917079ebcc52acff3318c61a8698ca75f1839e0f56aa",
    "signature": "0x4df1fd54844ef1de3618f51b0618f2f1717a943e133e859e338ed3da3f902a0e2d49198eeb71e16553cf449dec5f3c2545d7c9c4f1c4a4e0ff1486005bce4d5b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}