{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844588084",
    "entityType": "User",
    "nonce": "0xe8f5f688191ac2af8d8ba0a6a91036d1e61e8aaea99fa480c2e97063311accad",
    "signature": "0xb7c79fd105d62f0f7614317fd657179dfb27497d8e935e483d32396d4beeb60f28cdd484778a31f2af4e9b05f685d1c3ac526dca111b688859cdb3c0cbf174d61b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}