{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72289",
    "entityType": "User",
    "nonce": "0x80af1483e5b009729e67944884d31f6e34ef2d50fafb550bbbae972324a9ee68",
    "signature": "0xdab7ec7244b8900543d595cd3b7ec1daa12f8ec60cccfc5be4a0f73cb9c5ad475006f18557d6326c8b3d8df617749581b259034dd3774d90ffdc82f6b3bd5fa11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}