{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232877",
    "entityType": "User",
    "nonce": "0x0930f0c0479e2199bb903a2e71a865bb4da579b4082ffc5c801685dc9080bac9",
    "signature": "0x173c032d65a8e576024dc4e25e158d14eb64162c3defb44cc80e33d456055b4371e0a2ba9b2d9f8f4554625be512f58aa745a18ef7f99aa2112dee01cd7f5b781c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}