{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12180",
    "entityType": "User",
    "nonce": "0xa780e7025df821ebcc6db8bc79f192f7df7ca3e08893591c31c7330df0253a3a",
    "signature": "0xb18e003efea524e092721d33bea5cf39fa5907f28ae17f0ebabe1c5223e7e39d2804a81861970b40871109d60da2d149514f1c624e4c357aff30fbcfb759d0621b",
    "signer": "0x54baF3dc36e7FEBbaD4b09efB20Cc32736eC6d2F",
    "userId": "754550492"
  }
}