{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5101",
    "entityType": "User",
    "nonce": "0xae3c9edb42e4c55f2e5adc9df0f718bf628628b7faa2443afc64f923edc4ff37",
    "signature": "0xf66f64f5ec152a15ff736a4d0f2db79a97c95ccbab2c53f01d34be107314028c4289d958d3d3acb5b67534beadb08423aa637ad1ba507ff292bb49a21e5bae961c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}