{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58834490",
    "entityType": "User",
    "nonce": "0xb7bcecbd3f286c5c3343c0ba35c2e2b33d22f48214e939c47062371ef3c547e6",
    "signature": "0xf144029f143b77d5540ea7c9b9fb961e5df2cbcb26d8a779e89bb75a5af6a179196d6e452fe37857ca5a7047d4e314f8321bdad0fb876ccfb7142d9ca77f78521c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}