{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62989",
    "entityType": "User",
    "nonce": "0xfd52b1a458a1ab048a2166285e847444471a8ec7b5c5aff32045281266456a7a",
    "signature": "0xda5aa59164b9d7ee69f7d0ab9c574eb5180a24f393890690ea84ad25af1baf69122b4a6ac7d49059247e4f94f5155d84f75ff49c7901226ec5dfd06075d568f71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}