{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "307",
    "entityType": "User",
    "nonce": "0x06eda16ec136f22ac7bba509fdf971d55f087af2e17b079c03f5b62010475b2f",
    "signature": "0x92f2ef13acba37180cf60a52e174466fc2016483e49d9645fab28fa047d923c07e26f538b73f3a929033f515871a70d5cfdc3105c9b789f4610089575028c26b1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}