{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0xb35c36646a90ccdbfc0aa0ccb826effd99e35a72cf4861a4978b5c2d075a939c",
    "signature": "0x89a71f403069802f5e89f8f90aca4032a1a8864efec535e74463ca2befd757f16317d28d1d18021e64b786dd16b0e3f62a1c16565d4713f31a42cb825f139b7d1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}