{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8154e24e19482265e9bd84d32b474d8d07b01bdcb6aaa97f3e62466f8b5c00b9",
    "signature": "0x9295d93c5d63c918bac81a5c46302b74cbc75960addeb2b145cac52c68172bb7304cdaff07d09bc5028e5033b666b842caa67c2b2139a97dbd4b10c56dae06051c",
    "signer": "0xbE03bB918D7CE0022CF52179142439dCD33fb6d5",
    "userId": "333182323"
  }
}