{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352445",
    "entityType": "User",
    "nonce": "0x39550d52763568cff33189c412ab1607886f6b48f5f9f7dfc5060efc66b86b89",
    "signature": "0xa6b6e0b1ea08ffbfac0b4a9d1f44e6b3bd78e3f73a0b55463c2a02a26b79ea0f0992ba3f390a220ba554f9d4247f14158f17ed28787ca717bad7ef712a6d8ceb1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}