{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xfe7e1864381e57c083444e6d3caa815563af9e961a16b64a386abd39f4f48b68",
    "signature": "0x08c8437ffdf99d10c3f89b5bef2d247a77de6d7d63651b11224bf44abf892f2213c4f513266ce6faf07ba7afb405570d6211b76fe3e39fc4cf1abb65bccf5da51b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}