{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xb83414b4ddd8d01fc715731766272b13f43fffdff94e80a5241708879fc8cf2f",
    "signature": "0x0ba841f8c41ad36c188d8c21cbfd0447516abaadbd4c8dc85b60951d2f2bd43605d59185507d05d65994b38c2d06770c656e8698a1bef3379e20a281e45c3dc51b",
    "signer": "0x250BA5492e75e8e9a4D09C6cDE8D09f1B7dfA3d8",
    "userId": "831474008"
  }
}