{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102006",
    "entityType": "User",
    "nonce": "0x2ca31cf2a69eb42bfdce0eac391738d9d3bc8463c1f33ada0a32f5b19f9b1254",
    "signature": "0xc21cf626393cdd6aae3c1dcdebed3e29a1caf2798c13fe69c282cac9ff6931e352bf332250f13a5d4c2c420e0b0089a2b50383cf07643d5aefa01bf79bd4d12a1b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}