{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5ad194889c144e42f01d31881aac480d7051857d6eb9ba9e678295b2e91f4a8d",
    "signature": "0xa4f879109d2653d07b54660fe86add4394e77da1402f81fa30fdcdc35a0aad034d843c60e9e7d356abc508c0728da52e0265d202efc9cfcd918c7ffb939037c81b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}