{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130515",
    "entityType": "User",
    "nonce": "0xd3a83f72df51861ad2c3a5f6dc1184db21615e66373e5e8a770f46523e2512fe",
    "signature": "0x01c9d5ff72cf4aeefdf10ee44392a43fff8d15205183923439fb796c28e9692227eff67f38131f590baa1843566d0d18cf310ae27e7647736a38c139323305c71c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}