{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x24e7c1350ff88056c0c7e49341bb6101f0d08d510509e898484c52c031067534",
    "signature": "0x0a02a1d1bb0faf5f3a44cf82d7fb188cdc516f97f4d4f52a00e374afe0b0d51820c8d5078a933f6db522c1164ac84160ac2e11602a8dd48c60f5d4207332e4f51c",
    "signer": "0x87CA5036E89495C33C212Fe31efeF0621fF69bac",
    "userId": "1311057"
  }
}