{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78162",
    "entityType": "User",
    "nonce": "0x6299e472006c4f5cd9bc95e263f76374915890b75bea1e7bf54f3bbe42cc206c",
    "signature": "0x4dffffe62723dc9b4a06534a4bd8455dbeeb8d2fe50c41c221970bb477a4051877a702a58fbcf5cd8afe661ae33893feee98f48c5f1754f1a01111b1dd0559181c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}