{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357249",
    "entityType": "User",
    "nonce": "0x1e907733ade22498e2c5288a0196d6f426b86b94768987b5c2f533bd3b51722a",
    "signature": "0x9f5fb971d96ef1a26f1394bfd37c219da221b7950db23c6cfe8a960dc088295f21f8520ac06830476b178136478357d82663760e12545fa3ebdf28454eaeb15e1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}