{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd03ebcedcc4acdf1a1985ca0625dd6ddf4d4d58347e0ef0811a27935df6a7a0c",
    "signature": "0xb08b642f2f2d2deed73b13ca729aca7917f4384fc104b1cbfe099da14ff807c61e49e1486c4149cb4c7098071f71149918fce0d4356d303c9bed725f5b4e6fde1b",
    "signer": "0x62B031e57101513703AEAE750b7268edB8Ec62b3",
    "userId": "757273040"
  }
}