{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "598973143",
    "entityType": "User",
    "nonce": "0xf46627be748c3aa841714db80b310a2a26bd3e730772fe10c3323eb05d57826e",
    "signature": "0x463e0dc6efa5bd1db2fb9c354628b722fc5deef730f4cf05ba9d7009557e25e513fd359a5b48188f6118f296b079efce5417888cd441084e44e82d8e7983c3f31c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}