{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131826",
    "entityType": "User",
    "nonce": "0xf7291b644f037cba1ff7e9648802ab35a5f3a83ca4e9002946b17f43e99cd2a9",
    "signature": "0x245040e3542fc4ceab04191ad6b2b02130aab55b8531255426f81bcde61ebd167d2d528f55bf50ad5c8cfd96e669c1ef174ba59158d3204b4297f182020920611c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}